Home / 1,057.30-1,586.16-510.14

Finding the Fourth Proportional to 1,057.30, 1,586.16 and 510.14

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Solution

The fourth proportional to 1,057.30, 1,586.16 and 510.14 is: 765.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057.30 : 1,586.16 = 510.14 : x
  2. Step 2: Convert to fraction form
    1,057.30/1,586.16 = 510.14/x
  3. Step 3: Cross multiply
    1,057.30x = 1,586.16 × 510.14
  4. Step 4: Simplify right side
    1,057.30x = 809,167.63
  5. Step 5: Solve for x
    x = 809,167.63/1,057.30
  6. Step 6: Final answer
    x = 765.32

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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.