Home / 1,149.27-1,588.05-1,050.45

Finding the Fourth Proportional to 1,149.27, 1,588.05 and 1,050.45

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Solution

The fourth proportional to 1,149.27, 1,588.05 and 1,050.45 is: 1,451.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149.27 : 1,588.05 = 1,050.45 : x
  2. Step 2: Convert to fraction form
    1,149.27/1,588.05 = 1,050.45/x
  3. Step 3: Cross multiply
    1,149.27x = 1,588.05 × 1,050.45
  4. Step 4: Simplify right side
    1,149.27x = 1,668,167.12
  5. Step 5: Solve for x
    x = 1,668,167.12/1,149.27
  6. Step 6: Final answer
    x = 1,451.50

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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.