Home / 3,392.10-4,683.69-2,347.20

Finding the Fourth Proportional to 3,392.10, 4,683.69 and 2,347.20

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Solution

The fourth proportional to 3,392.10, 4,683.69 and 2,347.20 is: 3,240.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.10 : 4,683.69 = 2,347.20 : x
  2. Step 2: Convert to fraction form
    3,392.10/4,683.69 = 2,347.20/x
  3. Step 3: Cross multiply
    3,392.10x = 4,683.69 × 2,347.20
  4. Step 4: Simplify right side
    3,392.10x = 10,993,557.17
  5. Step 5: Solve for x
    x = 10,993,557.17/3,392.10
  6. Step 6: Final answer
    x = 3,240.93

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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.