Home / 3,503.20-4,834.30-1,931.28

Finding the Fourth Proportional to 3,503.20, 4,834.30 and 1,931.28

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Solution

The fourth proportional to 3,503.20, 4,834.30 and 1,931.28 is: 2,665.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.20 : 4,834.30 = 1,931.28 : x
  2. Step 2: Convert to fraction form
    3,503.20/4,834.30 = 1,931.28/x
  3. Step 3: Cross multiply
    3,503.20x = 4,834.30 × 1,931.28
  4. Step 4: Simplify right side
    3,503.20x = 9,336,386.90
  5. Step 5: Solve for x
    x = 9,336,386.90/3,503.20
  6. Step 6: Final answer
    x = 2,665.10

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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.