Home / 1,036.15-1,429.92-587.99

Finding the Fourth Proportional to 1,036.15, 1,429.92 and 587.99

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Solution

The fourth proportional to 1,036.15, 1,429.92 and 587.99 is: 811.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.15 : 1,429.92 = 587.99 : x
  2. Step 2: Convert to fraction form
    1,036.15/1,429.92 = 587.99/x
  3. Step 3: Cross multiply
    1,036.15x = 1,429.92 × 587.99
  4. Step 4: Simplify right side
    1,036.15x = 840,782.24
  5. Step 5: Solve for x
    x = 840,782.24/1,036.15
  6. Step 6: Final answer
    x = 811.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.