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Finding the Fourth Proportional to 1,484.95, 2,227.84 and 652.09

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Solution

The fourth proportional to 1,484.95, 2,227.84 and 652.09 is: 978.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.95 : 2,227.84 = 652.09 : x
  2. Step 2: Convert to fraction form
    1,484.95/2,227.84 = 652.09/x
  3. Step 3: Cross multiply
    1,484.95x = 2,227.84 × 652.09
  4. Step 4: Simplify right side
    1,484.95x = 1,452,752.19
  5. Step 5: Solve for x
    x = 1,452,752.19/1,484.95
  6. Step 6: Final answer
    x = 978.32

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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.