Home / 2,591.28-3,576.04-1,583.15

Finding the Fourth Proportional to 2,591.28, 3,576.04 and 1,583.15

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Solution

The fourth proportional to 2,591.28, 3,576.04 and 1,583.15 is: 2,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591.28 : 3,576.04 = 1,583.15 : x
  2. Step 2: Convert to fraction form
    2,591.28/3,576.04 = 1,583.15/x
  3. Step 3: Cross multiply
    2,591.28x = 3,576.04 × 1,583.15
  4. Step 4: Simplify right side
    2,591.28x = 5,661,430.13
  5. Step 5: Solve for x
    x = 5,661,430.13/2,591.28
  6. Step 6: Final answer
    x = 2,184.80

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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.