Home / 1,501.16-2,251.98-635.48

Finding the Fourth Proportional to 1,501.16, 2,251.98 and 635.48

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Solution

The fourth proportional to 1,501.16, 2,251.98 and 635.48 is: 953.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501.16 : 2,251.98 = 635.48 : x
  2. Step 2: Convert to fraction form
    1,501.16/2,251.98 = 635.48/x
  3. Step 3: Cross multiply
    1,501.16x = 2,251.98 × 635.48
  4. Step 4: Simplify right side
    1,501.16x = 1,431,088.25
  5. Step 5: Solve for x
    x = 1,431,088.25/1,501.16
  6. Step 6: Final answer
    x = 953.32

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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.