Home / 2,240.26-3,088.78-1,442.23

Finding the Fourth Proportional to 2,240.26, 3,088.78 and 1,442.23

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Solution

The fourth proportional to 2,240.26, 3,088.78 and 1,442.23 is: 1,988.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.26 : 3,088.78 = 1,442.23 : x
  2. Step 2: Convert to fraction form
    2,240.26/3,088.78 = 1,442.23/x
  3. Step 3: Cross multiply
    2,240.26x = 3,088.78 × 1,442.23
  4. Step 4: Simplify right side
    2,240.26x = 4,454,731.18
  5. Step 5: Solve for x
    x = 4,454,731.18/2,240.26
  6. Step 6: Final answer
    x = 1,988.49

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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.