Home / 3,040.47-4,560.96-1,191.45

Finding the Fourth Proportional to 3,040.47, 4,560.96 and 1,191.45

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Solution

The fourth proportional to 3,040.47, 4,560.96 and 1,191.45 is: 1,787.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.47 : 4,560.96 = 1,191.45 : x
  2. Step 2: Convert to fraction form
    3,040.47/4,560.96 = 1,191.45/x
  3. Step 3: Cross multiply
    3,040.47x = 4,560.96 × 1,191.45
  4. Step 4: Simplify right side
    3,040.47x = 5,434,155.79
  5. Step 5: Solve for x
    x = 5,434,155.79/3,040.47
  6. Step 6: Final answer
    x = 1,787.27

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Double scale
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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.