Home / 3,913.20-5,871.16-2,602.16

Finding the Fourth Proportional to 3,913.20, 5,871.16 and 2,602.16

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Solution

The fourth proportional to 3,913.20, 5,871.16 and 2,602.16 is: 3,904.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.20 : 5,871.16 = 2,602.16 : x
  2. Step 2: Convert to fraction form
    3,913.20/5,871.16 = 2,602.16/x
  3. Step 3: Cross multiply
    3,913.20x = 5,871.16 × 2,602.16
  4. Step 4: Simplify right side
    3,913.20x = 15,277,697.71
  5. Step 5: Solve for x
    x = 15,277,697.71/3,913.20
  6. Step 6: Final answer
    x = 3,904.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.