Home / 3,440.01-4,747.20-1,947.93

Finding the Fourth Proportional to 3,440.01, 4,747.20 and 1,947.93

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Solution

The fourth proportional to 3,440.01, 4,747.20 and 1,947.93 is: 2,688.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.01 : 4,747.20 = 1,947.93 : x
  2. Step 2: Convert to fraction form
    3,440.01/4,747.20 = 1,947.93/x
  3. Step 3: Cross multiply
    3,440.01x = 4,747.20 × 1,947.93
  4. Step 4: Simplify right side
    3,440.01x = 9,247,213.30
  5. Step 5: Solve for x
    x = 9,247,213.30/3,440.01
  6. Step 6: Final answer
    x = 2,688.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.