Home / 1,580.49-2,370.56-484.85

Finding the Fourth Proportional to 1,580.49, 2,370.56 and 484.85

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Solution

The fourth proportional to 1,580.49, 2,370.56 and 484.85 is: 727.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580.49 : 2,370.56 = 484.85 : x
  2. Step 2: Convert to fraction form
    1,580.49/2,370.56 = 484.85/x
  3. Step 3: Cross multiply
    1,580.49x = 2,370.56 × 484.85
  4. Step 4: Simplify right side
    1,580.49x = 1,149,366.02
  5. Step 5: Solve for x
    x = 1,149,366.02/1,580.49
  6. Step 6: Final answer
    x = 727.22

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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.