Home / 2,392.18-3,297.45-2,191.30

Finding the Fourth Proportional to 2,392.18, 3,297.45 and 2,191.30

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Solution

The fourth proportional to 2,392.18, 3,297.45 and 2,191.30 is: 3,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,392.18 : 3,297.45 = 2,191.30 : x
  2. Step 2: Convert to fraction form
    2,392.18/3,297.45 = 2,191.30/x
  3. Step 3: Cross multiply
    2,392.18x = 3,297.45 × 2,191.30
  4. Step 4: Simplify right side
    2,392.18x = 7,225,702.19
  5. Step 5: Solve for x
    x = 7,225,702.19/2,392.18
  6. Step 6: Final answer
    x = 3,020.55

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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.