Home / 1,514.10-2,270.45-540.23

Finding the Fourth Proportional to 1,514.10, 2,270.45 and 540.23

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Solution

The fourth proportional to 1,514.10, 2,270.45 and 540.23 is: 810.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514.10 : 2,270.45 = 540.23 : x
  2. Step 2: Convert to fraction form
    1,514.10/2,270.45 = 540.23/x
  3. Step 3: Cross multiply
    1,514.10x = 2,270.45 × 540.23
  4. Step 4: Simplify right side
    1,514.10x = 1,226,551.15
  5. Step 5: Solve for x
    x = 1,226,551.15/1,514.10
  6. Step 6: Final answer
    x = 810.09

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1.5x scale

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.