Home / 1,160.13-1,739.93-543.25

Finding the Fourth Proportional to 1,160.13, 1,739.93 and 543.25

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Solution

The fourth proportional to 1,160.13, 1,739.93 and 543.25 is: 814.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160.13 : 1,739.93 = 543.25 : x
  2. Step 2: Convert to fraction form
    1,160.13/1,739.93 = 543.25/x
  3. Step 3: Cross multiply
    1,160.13x = 1,739.93 × 543.25
  4. Step 4: Simplify right side
    1,160.13x = 945,209.91
  5. Step 5: Solve for x
    x = 945,209.91/1,160.13
  6. Step 6: Final answer
    x = 814.74

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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.