Home / 2,387.24-3,580.78-1,088.70

Finding the Fourth Proportional to 2,387.24, 3,580.78 and 1,088.70

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Solution

The fourth proportional to 2,387.24, 3,580.78 and 1,088.70 is: 1,633.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387.24 : 3,580.78 = 1,088.70 : x
  2. Step 2: Convert to fraction form
    2,387.24/3,580.78 = 1,088.70/x
  3. Step 3: Cross multiply
    2,387.24x = 3,580.78 × 1,088.70
  4. Step 4: Simplify right side
    2,387.24x = 3,898,395.19
  5. Step 5: Solve for x
    x = 3,898,395.19/2,387.24
  6. Step 6: Final answer
    x = 1,633.01

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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.