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Finding the Fourth Proportional to 2,569.04, 3,853.54 and 621.24

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Solution

The fourth proportional to 2,569.04, 3,853.54 and 621.24 is: 931.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,569.04 : 3,853.54 = 621.24 : x
  2. Step 2: Convert to fraction form
    2,569.04/3,853.54 = 621.24/x
  3. Step 3: Cross multiply
    2,569.04x = 3,853.54 × 621.24
  4. Step 4: Simplify right side
    2,569.04x = 2,393,973.19
  5. Step 5: Solve for x
    x = 2,393,973.19/2,569.04
  6. Step 6: Final answer
    x = 931.86

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Similar ratio
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1.5x scale

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.