Home / 1,549.24-2,334.51-1,281.35

Finding the Fourth Proportional to 1,549.24, 2,334.51 and 1,281.35

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Solution

The fourth proportional to 1,549.24, 2,334.51 and 1,281.35 is: 1,930.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.24 : 2,334.51 = 1,281.35 : x
  2. Step 2: Convert to fraction form
    1,549.24/2,334.51 = 1,281.35/x
  3. Step 3: Cross multiply
    1,549.24x = 2,334.51 × 1,281.35
  4. Step 4: Simplify right side
    1,549.24x = 2,991,324.39
  5. Step 5: Solve for x
    x = 2,991,324.39/1,549.24
  6. Step 6: Final answer
    x = 1,930.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.