Home / 1,151.29-1,724.77-572.77

Finding the Fourth Proportional to 1,151.29, 1,724.77 and 572.77

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Solution

The fourth proportional to 1,151.29, 1,724.77 and 572.77 is: 858.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151.29 : 1,724.77 = 572.77 : x
  2. Step 2: Convert to fraction form
    1,151.29/1,724.77 = 572.77/x
  3. Step 3: Cross multiply
    1,151.29x = 1,724.77 × 572.77
  4. Step 4: Simplify right side
    1,151.29x = 987,896.51
  5. Step 5: Solve for x
    x = 987,896.51/1,151.29
  6. Step 6: Final answer
    x = 858.08

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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.