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Finding the Fourth Proportional to 2,480.44, 3,715.80 and 1,700.32

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Solution

The fourth proportional to 2,480.44, 3,715.80 and 1,700.32 is: 2,547.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.44 : 3,715.80 = 1,700.32 : x
  2. Step 2: Convert to fraction form
    2,480.44/3,715.80 = 1,700.32/x
  3. Step 3: Cross multiply
    2,480.44x = 3,715.80 × 1,700.32
  4. Step 4: Simplify right side
    2,480.44x = 6,318,049.06
  5. Step 5: Solve for x
    x = 6,318,049.06/2,480.44
  6. Step 6: Final answer
    x = 2,547.15

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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.