Home / 1,159.24-1,739.16-510.12

Finding the Fourth Proportional to 1,159.24, 1,739.16 and 510.12

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Solution

The fourth proportional to 1,159.24, 1,739.16 and 510.12 is: 765.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159.24 : 1,739.16 = 510.12 : x
  2. Step 2: Convert to fraction form
    1,159.24/1,739.16 = 510.12/x
  3. Step 3: Cross multiply
    1,159.24x = 1,739.16 × 510.12
  4. Step 4: Simplify right side
    1,159.24x = 887,184.47
  5. Step 5: Solve for x
    x = 887,184.47/1,159.24
  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.