Home / 3,428.77-4,731.68-1,937.17

Finding the Fourth Proportional to 3,428.77, 4,731.68 and 1,937.17

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Solution

The fourth proportional to 3,428.77, 4,731.68 and 1,937.17 is: 2,673.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.77 : 4,731.68 = 1,937.17 : x
  2. Step 2: Convert to fraction form
    3,428.77/4,731.68 = 1,937.17/x
  3. Step 3: Cross multiply
    3,428.77x = 4,731.68 × 1,937.17
  4. Step 4: Simplify right side
    3,428.77x = 9,166,068.55
  5. Step 5: Solve for x
    x = 9,166,068.55/3,428.77
  6. Step 6: Final answer
    x = 2,673.28

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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.