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Finding the Fourth Proportional to 2,710.11, 4,065.62 and 954.62

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Solution

The fourth proportional to 2,710.11, 4,065.62 and 954.62 is: 1,432.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,710.11 : 4,065.62 = 954.62 : x
  2. Step 2: Convert to fraction form
    2,710.11/4,065.62 = 954.62/x
  3. Step 3: Cross multiply
    2,710.11x = 4,065.62 × 954.62
  4. Step 4: Simplify right side
    2,710.11x = 3,881,097.06
  5. Step 5: Solve for x
    x = 3,881,097.06/2,710.11
  6. Step 6: Final answer
    x = 1,432.08

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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.