Home / 2,875.38-4,313.69-1,414.35

Finding the Fourth Proportional to 2,875.38, 4,313.69 and 1,414.35

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Solution

The fourth proportional to 2,875.38, 4,313.69 and 1,414.35 is: 2,121.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.38 : 4,313.69 = 1,414.35 : x
  2. Step 2: Convert to fraction form
    2,875.38/4,313.69 = 1,414.35/x
  3. Step 3: Cross multiply
    2,875.38x = 4,313.69 × 1,414.35
  4. Step 4: Simplify right side
    2,875.38x = 6,101,060.38
  5. Step 5: Solve for x
    x = 6,101,060.38/2,875.38
  6. Step 6: Final answer
    x = 2,121.83

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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.