Home / 3,098.51-4,275.90-1,682.15

Finding the Fourth Proportional to 3,098.51, 4,275.90 and 1,682.15

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Solution

The fourth proportional to 3,098.51, 4,275.90 and 1,682.15 is: 2,321.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.51 : 4,275.90 = 1,682.15 : x
  2. Step 2: Convert to fraction form
    3,098.51/4,275.90 = 1,682.15/x
  3. Step 3: Cross multiply
    3,098.51x = 4,275.90 × 1,682.15
  4. Step 4: Simplify right side
    3,098.51x = 7,192,705.19
  5. Step 5: Solve for x
    x = 7,192,705.19/3,098.51
  6. Step 6: Final answer
    x = 2,321.34

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,099.51, 4,277.28 and 1,683.15
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.