Home / 1,514.26-2,089.66-876.18

Finding the Fourth Proportional to 1,514.26, 2,089.66 and 876.18

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Solution

The fourth proportional to 1,514.26, 2,089.66 and 876.18 is: 1,209.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514.26 : 2,089.66 = 876.18 : x
  2. Step 2: Convert to fraction form
    1,514.26/2,089.66 = 876.18/x
  3. Step 3: Cross multiply
    1,514.26x = 2,089.66 × 876.18
  4. Step 4: Simplify right side
    1,514.26x = 1,830,918.30
  5. Step 5: Solve for x
    x = 1,830,918.30/1,514.26
  6. Step 6: Final answer
    x = 1,209.12

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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.