Home / 1,514.08-2,271.50-540.28

Finding the Fourth Proportional to 1,514.08, 2,271.50 and 540.28

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Solution

The fourth proportional to 1,514.08, 2,271.50 and 540.28 is: 810.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514.08 : 2,271.50 = 540.28 : x
  2. Step 2: Convert to fraction form
    1,514.08/2,271.50 = 540.28/x
  3. Step 3: Cross multiply
    1,514.08x = 2,271.50 × 540.28
  4. Step 4: Simplify right side
    1,514.08x = 1,227,246.02
  5. Step 5: Solve for x
    x = 1,227,246.02/1,514.08
  6. Step 6: Final answer
    x = 810.56

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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.