Home / 3,957.52-5,461.32-2,386.48

Finding the Fourth Proportional to 3,957.52, 5,461.32 and 2,386.48

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Solution

The fourth proportional to 3,957.52, 5,461.32 and 2,386.48 is: 3,293.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.52 : 5,461.32 = 2,386.48 : x
  2. Step 2: Convert to fraction form
    3,957.52/5,461.32 = 2,386.48/x
  3. Step 3: Cross multiply
    3,957.52x = 5,461.32 × 2,386.48
  4. Step 4: Simplify right side
    3,957.52x = 13,033,330.95
  5. Step 5: Solve for x
    x = 13,033,330.95/3,957.52
  6. Step 6: Final answer
    x = 3,293.31

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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.