Home / 3,125.41-4,688.30-1,177.63

Finding the Fourth Proportional to 3,125.41, 4,688.30 and 1,177.63

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Solution

The fourth proportional to 3,125.41, 4,688.30 and 1,177.63 is: 1,766.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.41 : 4,688.30 = 1,177.63 : x
  2. Step 2: Convert to fraction form
    3,125.41/4,688.30 = 1,177.63/x
  3. Step 3: Cross multiply
    3,125.41x = 4,688.30 × 1,177.63
  4. Step 4: Simplify right side
    3,125.41x = 5,521,076.84
  5. Step 5: Solve for x
    x = 5,521,076.84/3,125.41
  6. Step 6: Final answer
    x = 1,766.51

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Half scale
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Double scale
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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.