Home / 1,436.20-2,153.02-569.92

Finding the Fourth Proportional to 1,436.20, 2,153.02 and 569.92

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Solution

The fourth proportional to 1,436.20, 2,153.02 and 569.92 is: 854.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436.20 : 2,153.02 = 569.92 : x
  2. Step 2: Convert to fraction form
    1,436.20/2,153.02 = 569.92/x
  3. Step 3: Cross multiply
    1,436.20x = 2,153.02 × 569.92
  4. Step 4: Simplify right side
    1,436.20x = 1,227,049.16
  5. Step 5: Solve for x
    x = 1,227,049.16/1,436.20
  6. Step 6: Final answer
    x = 854.37

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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.