Home / 3,851.79-5,316.30-2,434.58

Finding the Fourth Proportional to 3,851.79, 5,316.30 and 2,434.58

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Solution

The fourth proportional to 3,851.79, 5,316.30 and 2,434.58 is: 3,360.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.79 : 5,316.30 = 2,434.58 : x
  2. Step 2: Convert to fraction form
    3,851.79/5,316.30 = 2,434.58/x
  3. Step 3: Cross multiply
    3,851.79x = 5,316.30 × 2,434.58
  4. Step 4: Simplify right side
    3,851.79x = 12,942,957.65
  5. Step 5: Solve for x
    x = 12,942,957.65/3,851.79
  6. Step 6: Final answer
    x = 3,360.24

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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.