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Finding the Fourth Proportional to 1,901.85, 2,624.53 and 1,062.64

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Solution

The fourth proportional to 1,901.85, 2,624.53 and 1,062.64 is: 1,466.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901.85 : 2,624.53 = 1,062.64 : x
  2. Step 2: Convert to fraction form
    1,901.85/2,624.53 = 1,062.64/x
  3. Step 3: Cross multiply
    1,901.85x = 2,624.53 × 1,062.64
  4. Step 4: Simplify right side
    1,901.85x = 2,788,924.00
  5. Step 5: Solve for x
    x = 2,788,924.00/1,901.85
  6. Step 6: Final answer
    x = 1,466.42

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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.