Home / 1,566.12-2,349.02-411.87

Finding the Fourth Proportional to 1,566.12, 2,349.02 and 411.87

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Solution

The fourth proportional to 1,566.12, 2,349.02 and 411.87 is: 617.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566.12 : 2,349.02 = 411.87 : x
  2. Step 2: Convert to fraction form
    1,566.12/2,349.02 = 411.87/x
  3. Step 3: Cross multiply
    1,566.12x = 2,349.02 × 411.87
  4. Step 4: Simplify right side
    1,566.12x = 967,490.87
  5. Step 5: Solve for x
    x = 967,490.87/1,566.12
  6. Step 6: Final answer
    x = 617.76

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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.