Home / 3,458.39-5,196.49-2,875.19

Finding the Fourth Proportional to 3,458.39, 5,196.49 and 2,875.19

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Solution

The fourth proportional to 3,458.39, 5,196.49 and 2,875.19 is: 4,320.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.39 : 5,196.49 = 2,875.19 : x
  2. Step 2: Convert to fraction form
    3,458.39/5,196.49 = 2,875.19/x
  3. Step 3: Cross multiply
    3,458.39x = 5,196.49 × 2,875.19
  4. Step 4: Simplify right side
    3,458.39x = 14,940,862.91
  5. Step 5: Solve for x
    x = 14,940,862.91/3,458.39
  6. Step 6: Final answer
    x = 4,320.18

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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.