Home / 3,864.18-5,793.56-1,985.46

Finding the Fourth Proportional to 3,864.18, 5,793.56 and 1,985.46

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Solution

The fourth proportional to 3,864.18, 5,793.56 and 1,985.46 is: 2,976.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.18 : 5,793.56 = 1,985.46 : x
  2. Step 2: Convert to fraction form
    3,864.18/5,793.56 = 1,985.46/x
  3. Step 3: Cross multiply
    3,864.18x = 5,793.56 × 1,985.46
  4. Step 4: Simplify right side
    3,864.18x = 11,502,881.64
  5. Step 5: Solve for x
    x = 11,502,881.64/3,864.18
  6. Step 6: Final answer
    x = 2,976.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.