Home / 2,962.16-4,088.28-1,720.88

Finding the Fourth Proportional to 2,962.16, 4,088.28 and 1,720.88

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Solution

The fourth proportional to 2,962.16, 4,088.28 and 1,720.88 is: 2,375.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.16 : 4,088.28 = 1,720.88 : x
  2. Step 2: Convert to fraction form
    2,962.16/4,088.28 = 1,720.88/x
  3. Step 3: Cross multiply
    2,962.16x = 4,088.28 × 1,720.88
  4. Step 4: Simplify right side
    2,962.16x = 7,035,439.29
  5. Step 5: Solve for x
    x = 7,035,439.29/2,962.16
  6. Step 6: Final answer
    x = 2,375.10

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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.