Home / 1,502.19-2,253.57-577.77

Finding the Fourth Proportional to 1,502.19, 2,253.57 and 577.77

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Solution

The fourth proportional to 1,502.19, 2,253.57 and 577.77 is: 866.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.19 : 2,253.57 = 577.77 : x
  2. Step 2: Convert to fraction form
    1,502.19/2,253.57 = 577.77/x
  3. Step 3: Cross multiply
    1,502.19x = 2,253.57 × 577.77
  4. Step 4: Simplify right side
    1,502.19x = 1,302,045.14
  5. Step 5: Solve for x
    x = 1,302,045.14/1,502.19
  6. Step 6: Final answer
    x = 866.76

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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.