Home / 1,255.08-1,881.24-945.93

Finding the Fourth Proportional to 1,255.08, 1,881.24 and 945.93

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Solution

The fourth proportional to 1,255.08, 1,881.24 and 945.93 is: 1,417.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255.08 : 1,881.24 = 945.93 : x
  2. Step 2: Convert to fraction form
    1,255.08/1,881.24 = 945.93/x
  3. Step 3: Cross multiply
    1,255.08x = 1,881.24 × 945.93
  4. Step 4: Simplify right side
    1,255.08x = 1,779,521.35
  5. Step 5: Solve for x
    x = 1,779,521.35/1,255.08
  6. Step 6: Final answer
    x = 1,417.85

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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.