Home / 3,045.38-4,568.13-2,107.40

Finding the Fourth Proportional to 3,045.38, 4,568.13 and 2,107.40

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Solution

The fourth proportional to 3,045.38, 4,568.13 and 2,107.40 is: 3,161.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.38 : 4,568.13 = 2,107.40 : x
  2. Step 2: Convert to fraction form
    3,045.38/4,568.13 = 2,107.40/x
  3. Step 3: Cross multiply
    3,045.38x = 4,568.13 × 2,107.40
  4. Step 4: Simplify right side
    3,045.38x = 9,626,854.32
  5. Step 5: Solve for x
    x = 9,626,854.32/3,045.38
  6. Step 6: Final answer
    x = 3,161.14

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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.