Home / 2,140.03-2,952.19-1,667.10

Finding the Fourth Proportional to 2,140.03, 2,952.19 and 1,667.10

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Solution

The fourth proportional to 2,140.03, 2,952.19 and 1,667.10 is: 2,299.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140.03 : 2,952.19 = 1,667.10 : x
  2. Step 2: Convert to fraction form
    2,140.03/2,952.19 = 1,667.10/x
  3. Step 3: Cross multiply
    2,140.03x = 2,952.19 × 1,667.10
  4. Step 4: Simplify right side
    2,140.03x = 4,921,595.95
  5. Step 5: Solve for x
    x = 4,921,595.95/2,140.03
  6. Step 6: Final answer
    x = 2,299.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.