Home / 2,245.15-3,095.40-1,654.66

Finding the Fourth Proportional to 2,245.15, 3,095.40 and 1,654.66

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Solution

The fourth proportional to 2,245.15, 3,095.40 and 1,654.66 is: 2,281.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.15 : 3,095.40 = 1,654.66 : x
  2. Step 2: Convert to fraction form
    2,245.15/3,095.40 = 1,654.66/x
  3. Step 3: Cross multiply
    2,245.15x = 3,095.40 × 1,654.66
  4. Step 4: Simplify right side
    2,245.15x = 5,121,834.56
  5. Step 5: Solve for x
    x = 5,121,834.56/2,245.15
  6. Step 6: Final answer
    x = 2,281.29

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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.