Home / 3,247.44-4,870.92-1,298.40

Finding the Fourth Proportional to 3,247.44, 4,870.92 and 1,298.40

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Solution

The fourth proportional to 3,247.44, 4,870.92 and 1,298.40 is: 1,947.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.44 : 4,870.92 = 1,298.40 : x
  2. Step 2: Convert to fraction form
    3,247.44/4,870.92 = 1,298.40/x
  3. Step 3: Cross multiply
    3,247.44x = 4,870.92 × 1,298.40
  4. Step 4: Simplify right side
    3,247.44x = 6,324,402.53
  5. Step 5: Solve for x
    x = 6,324,402.53/3,247.44
  6. Step 6: Final answer
    x = 1,947.50

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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.