Home / 3,957.45-5,461.88-2,386.41

Finding the Fourth Proportional to 3,957.45, 5,461.88 and 2,386.41

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Solution

The fourth proportional to 3,957.45, 5,461.88 and 2,386.41 is: 3,293.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.45 : 5,461.88 = 2,386.41 : x
  2. Step 2: Convert to fraction form
    3,957.45/5,461.88 = 2,386.41/x
  3. Step 3: Cross multiply
    3,957.45x = 5,461.88 × 2,386.41
  4. Step 4: Simplify right side
    3,957.45x = 13,034,273.12
  5. Step 5: Solve for x
    x = 13,034,273.12/3,957.45
  6. Step 6: Final answer
    x = 3,293.60

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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.