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Finding the Fourth Proportional to 2,875.52, 3,967.08 and 1,694.72

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Solution

The fourth proportional to 2,875.52, 3,967.08 and 1,694.72 is: 2,338.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.52 : 3,967.08 = 1,694.72 : x
  2. Step 2: Convert to fraction form
    2,875.52/3,967.08 = 1,694.72/x
  3. Step 3: Cross multiply
    2,875.52x = 3,967.08 × 1,694.72
  4. Step 4: Simplify right side
    2,875.52x = 6,723,089.82
  5. Step 5: Solve for x
    x = 6,723,089.82/2,875.52
  6. Step 6: Final answer
    x = 2,338.04

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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.