Home / 2,171.24-2,998.74-1,471.40

Finding the Fourth Proportional to 2,171.24, 2,998.74 and 1,471.40

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Solution

The fourth proportional to 2,171.24, 2,998.74 and 1,471.40 is: 2,032.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.24 : 2,998.74 = 1,471.40 : x
  2. Step 2: Convert to fraction form
    2,171.24/2,998.74 = 1,471.40/x
  3. Step 3: Cross multiply
    2,171.24x = 2,998.74 × 1,471.40
  4. Step 4: Simplify right side
    2,171.24x = 4,412,346.04
  5. Step 5: Solve for x
    x = 4,412,346.04/2,171.24
  6. Step 6: Final answer
    x = 2,032.18

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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.