Home / 3,246.40-4,869.12-1,166.38

Finding the Fourth Proportional to 3,246.40, 4,869.12 and 1,166.38

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Solution

The fourth proportional to 3,246.40, 4,869.12 and 1,166.38 is: 1,749.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.40 : 4,869.12 = 1,166.38 : x
  2. Step 2: Convert to fraction form
    3,246.40/4,869.12 = 1,166.38/x
  3. Step 3: Cross multiply
    3,246.40x = 4,869.12 × 1,166.38
  4. Step 4: Simplify right side
    3,246.40x = 5,679,244.19
  5. Step 5: Solve for x
    x = 5,679,244.19/3,246.40
  6. Step 6: Final answer
    x = 1,749.40

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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.