Home / 3,881.04-5,353.90-2,386.59

Finding the Fourth Proportional to 3,881.04, 5,353.90 and 2,386.59

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Solution

The fourth proportional to 3,881.04, 5,353.90 and 2,386.59 is: 3,292.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.04 : 5,353.90 = 2,386.59 : x
  2. Step 2: Convert to fraction form
    3,881.04/5,353.90 = 2,386.59/x
  3. Step 3: Cross multiply
    3,881.04x = 5,353.90 × 2,386.59
  4. Step 4: Simplify right side
    3,881.04x = 12,777,564.20
  5. Step 5: Solve for x
    x = 12,777,564.20/3,881.04
  6. Step 6: Final answer
    x = 3,292.30

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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.