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Finding the Fourth Proportional to 1,904.74, 2,856.09 and 588.10

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Solution

The fourth proportional to 1,904.74, 2,856.09 and 588.10 is: 881.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.74 : 2,856.09 = 588.10 : x
  2. Step 2: Convert to fraction form
    1,904.74/2,856.09 = 588.10/x
  3. Step 3: Cross multiply
    1,904.74x = 2,856.09 × 588.10
  4. Step 4: Simplify right side
    1,904.74x = 1,679,657.97
  5. Step 5: Solve for x
    x = 1,679,657.97/1,904.74
  6. Step 6: Final answer
    x = 881.83

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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.