Home / 3,060.42-4,223.25-1,881.06

Finding the Fourth Proportional to 3,060.42, 4,223.25 and 1,881.06

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Solution

The fourth proportional to 3,060.42, 4,223.25 and 1,881.06 is: 2,595.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.42 : 4,223.25 = 1,881.06 : x
  2. Step 2: Convert to fraction form
    3,060.42/4,223.25 = 1,881.06/x
  3. Step 3: Cross multiply
    3,060.42x = 4,223.25 × 1,881.06
  4. Step 4: Simplify right side
    3,060.42x = 7,944,186.65
  5. Step 5: Solve for x
    x = 7,944,186.65/3,060.42
  6. Step 6: Final answer
    x = 2,595.78

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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.