Home / 1,160.04-1,739.75-543.43

Finding the Fourth Proportional to 1,160.04, 1,739.75 and 543.43

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Solution

The fourth proportional to 1,160.04, 1,739.75 and 543.43 is: 815.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160.04 : 1,739.75 = 543.43 : x
  2. Step 2: Convert to fraction form
    1,160.04/1,739.75 = 543.43/x
  3. Step 3: Cross multiply
    1,160.04x = 1,739.75 × 543.43
  4. Step 4: Simplify right side
    1,160.04x = 945,432.34
  5. Step 5: Solve for x
    x = 945,432.34/1,160.04
  6. Step 6: Final answer
    x = 815.00

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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.