Home / 1,053.30-1,453.58-587.55

Finding the Fourth Proportional to 1,053.30, 1,453.58 and 587.55

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Solution

The fourth proportional to 1,053.30, 1,453.58 and 587.55 is: 810.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053.30 : 1,453.58 = 587.55 : x
  2. Step 2: Convert to fraction form
    1,053.30/1,453.58 = 587.55/x
  3. Step 3: Cross multiply
    1,053.30x = 1,453.58 × 587.55
  4. Step 4: Simplify right side
    1,053.30x = 854,047.99
  5. Step 5: Solve for x
    x = 854,047.99/1,053.30
  6. Step 6: Final answer
    x = 810.83

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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.