Home / 1,255.50-1,883.71-1,154.35

Finding the Fourth Proportional to 1,255.50, 1,883.71 and 1,154.35

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Solution

The fourth proportional to 1,255.50, 1,883.71 and 1,154.35 is: 1,731.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255.50 : 1,883.71 = 1,154.35 : x
  2. Step 2: Convert to fraction form
    1,255.50/1,883.71 = 1,154.35/x
  3. Step 3: Cross multiply
    1,255.50x = 1,883.71 × 1,154.35
  4. Step 4: Simplify right side
    1,255.50x = 2,174,457.94
  5. Step 5: Solve for x
    x = 2,174,457.94/1,255.50
  6. Step 6: Final answer
    x = 1,731.95

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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.