Home / 1,514.90-2,090.61-925.43

Finding the Fourth Proportional to 1,514.90, 2,090.61 and 925.43

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Solution

The fourth proportional to 1,514.90, 2,090.61 and 925.43 is: 1,277.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514.90 : 2,090.61 = 925.43 : x
  2. Step 2: Convert to fraction form
    1,514.90/2,090.61 = 925.43/x
  3. Step 3: Cross multiply
    1,514.90x = 2,090.61 × 925.43
  4. Step 4: Simplify right side
    1,514.90x = 1,934,702.76
  5. Step 5: Solve for x
    x = 1,934,702.76/1,514.90
  6. Step 6: Final answer
    x = 1,277.11

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1.5x scale

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.