Home / 1,549.48-2,316.92-1,308.92

Finding the Fourth Proportional to 1,549.48, 2,316.92 and 1,308.92

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Solution

The fourth proportional to 1,549.48, 2,316.92 and 1,308.92 is: 1,957.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.48 : 2,316.92 = 1,308.92 : x
  2. Step 2: Convert to fraction form
    1,549.48/2,316.92 = 1,308.92/x
  3. Step 3: Cross multiply
    1,549.48x = 2,316.92 × 1,308.92
  4. Step 4: Simplify right side
    1,549.48x = 3,032,662.93
  5. Step 5: Solve for x
    x = 3,032,662.93/1,549.48
  6. Step 6: Final answer
    x = 1,957.21

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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.