Home / 1,711.32-2,566.94-616.40

Finding the Fourth Proportional to 1,711.32, 2,566.94 and 616.40

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Solution

The fourth proportional to 1,711.32, 2,566.94 and 616.40 is: 924.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711.32 : 2,566.94 = 616.40 : x
  2. Step 2: Convert to fraction form
    1,711.32/2,566.94 = 616.40/x
  3. Step 3: Cross multiply
    1,711.32x = 2,566.94 × 616.40
  4. Step 4: Simplify right side
    1,711.32x = 1,582,261.82
  5. Step 5: Solve for x
    x = 1,582,261.82/1,711.32
  6. Step 6: Final answer
    x = 924.59

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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.