Home / 2,471.18-3,392.08-2,185.15

Finding the Fourth Proportional to 2,471.18, 3,392.08 and 2,185.15

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Solution

The fourth proportional to 2,471.18, 3,392.08 and 2,185.15 is: 2,999.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,471.18 : 3,392.08 = 2,185.15 : x
  2. Step 2: Convert to fraction form
    2,471.18/3,392.08 = 2,185.15/x
  3. Step 3: Cross multiply
    2,471.18x = 3,392.08 × 2,185.15
  4. Step 4: Simplify right side
    2,471.18x = 7,412,203.61
  5. Step 5: Solve for x
    x = 7,412,203.61/2,471.18
  6. Step 6: Final answer
    x = 2,999.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.