Home / 2,591.85-3,576.68-1,412.93

Finding the Fourth Proportional to 2,591.85, 3,576.68 and 1,412.93

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Solution

The fourth proportional to 2,591.85, 3,576.68 and 1,412.93 is: 1,949.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591.85 : 3,576.68 = 1,412.93 : x
  2. Step 2: Convert to fraction form
    2,591.85/3,576.68 = 1,412.93/x
  3. Step 3: Cross multiply
    2,591.85x = 3,576.68 × 1,412.93
  4. Step 4: Simplify right side
    2,591.85x = 5,053,598.47
  5. Step 5: Solve for x
    x = 5,053,598.47/2,591.85
  6. Step 6: Final answer
    x = 1,949.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.