Home / 1,566.15-2,349.01-981.19

Finding the Fourth Proportional to 1,566.15, 2,349.01 and 981.19

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Solution

The fourth proportional to 1,566.15, 2,349.01 and 981.19 is: 1,471.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566.15 : 2,349.01 = 981.19 : x
  2. Step 2: Convert to fraction form
    1,566.15/2,349.01 = 981.19/x
  3. Step 3: Cross multiply
    1,566.15x = 2,349.01 × 981.19
  4. Step 4: Simplify right side
    1,566.15x = 2,304,825.12
  5. Step 5: Solve for x
    x = 2,304,825.12/1,566.15
  6. Step 6: Final answer
    x = 1,471.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.