Home / 3,099.02-4,276.56-1,682.70

Finding the Fourth Proportional to 3,099.02, 4,276.56 and 1,682.70

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Solution

The fourth proportional to 3,099.02, 4,276.56 and 1,682.70 is: 2,322.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.02 : 4,276.56 = 1,682.70 : x
  2. Step 2: Convert to fraction form
    3,099.02/4,276.56 = 1,682.70/x
  3. Step 3: Cross multiply
    3,099.02x = 4,276.56 × 1,682.70
  4. Step 4: Simplify right side
    3,099.02x = 7,196,167.51
  5. Step 5: Solve for x
    x = 7,196,167.51/3,099.02
  6. Step 6: Final answer
    x = 2,322.08

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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.