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Finding the Fourth Proportional to 2,902.08, 4,007.04 and 1,854.72

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Solution

The fourth proportional to 2,902.08, 4,007.04 and 1,854.72 is: 2,560.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,902.08 : 4,007.04 = 1,854.72 : x
  2. Step 2: Convert to fraction form
    2,902.08/4,007.04 = 1,854.72/x
  3. Step 3: Cross multiply
    2,902.08x = 4,007.04 × 1,854.72
  4. Step 4: Simplify right side
    2,902.08x = 7,431,937.23
  5. Step 5: Solve for x
    x = 7,431,937.23/2,902.08
  6. Step 6: Final answer
    x = 2,560.90

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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.