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Finding the Fourth Proportional to 1,615.16, 2,228.90 and 952.04

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Solution

The fourth proportional to 1,615.16, 2,228.90 and 952.04 is: 1,313.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615.16 : 2,228.90 = 952.04 : x
  2. Step 2: Convert to fraction form
    1,615.16/2,228.90 = 952.04/x
  3. Step 3: Cross multiply
    1,615.16x = 2,228.90 × 952.04
  4. Step 4: Simplify right side
    1,615.16x = 2,122,001.96
  5. Step 5: Solve for x
    x = 2,122,001.96/1,615.16
  6. Step 6: Final answer
    x = 1,313.80

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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.