Home / 2,660.81-3,988.14-2,353.26

Finding the Fourth Proportional to 2,660.81, 3,988.14 and 2,353.26

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Solution

The fourth proportional to 2,660.81, 3,988.14 and 2,353.26 is: 3,527.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660.81 : 3,988.14 = 2,353.26 : x
  2. Step 2: Convert to fraction form
    2,660.81/3,988.14 = 2,353.26/x
  3. Step 3: Cross multiply
    2,660.81x = 3,988.14 × 2,353.26
  4. Step 4: Simplify right side
    2,660.81x = 9,385,130.34
  5. Step 5: Solve for x
    x = 9,385,130.34/2,660.81
  6. Step 6: Final answer
    x = 3,527.18

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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.