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Finding the Fourth Proportional to 2,500.16, 3,446.08 and 1,878.08

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Solution

The fourth proportional to 2,500.16, 3,446.08 and 1,878.08 is: 2,588.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,500.16 : 3,446.08 = 1,878.08 : x
  2. Step 2: Convert to fraction form
    2,500.16/3,446.08 = 1,878.08/x
  3. Step 3: Cross multiply
    2,500.16x = 3,446.08 × 1,878.08
  4. Step 4: Simplify right side
    2,500.16x = 6,472,013.93
  5. Step 5: Solve for x
    x = 6,472,013.93/2,500.16
  6. Step 6: Final answer
    x = 2,588.64

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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.