Home / 2,380.43-3,285.20-1,497.13

Finding the Fourth Proportional to 2,380.43, 3,285.20 and 1,497.13

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Solution

The fourth proportional to 2,380.43, 3,285.20 and 1,497.13 is: 2,066.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.43 : 3,285.20 = 1,497.13 : x
  2. Step 2: Convert to fraction form
    2,380.43/3,285.20 = 1,497.13/x
  3. Step 3: Cross multiply
    2,380.43x = 3,285.20 × 1,497.13
  4. Step 4: Simplify right side
    2,380.43x = 4,918,367.01
  5. Step 5: Solve for x
    x = 4,918,367.01/2,380.43
  6. Step 6: Final answer
    x = 2,066.17

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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.