Home / 3,957.88-5,462.58-2,386.84

Finding the Fourth Proportional to 3,957.88, 5,462.58 and 2,386.84

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Solution

The fourth proportional to 3,957.88, 5,462.58 and 2,386.84 is: 3,294.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.88 : 5,462.58 = 2,386.84 : x
  2. Step 2: Convert to fraction form
    3,957.88/5,462.58 = 2,386.84/x
  3. Step 3: Cross multiply
    3,957.88x = 5,462.58 × 2,386.84
  4. Step 4: Simplify right side
    3,957.88x = 13,038,304.45
  5. Step 5: Solve for x
    x = 13,038,304.45/3,957.88
  6. Step 6: Final answer
    x = 3,294.26

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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.