Home / 3,712.51-5,568.90-1,247.41

Finding the Fourth Proportional to 3,712.51, 5,568.90 and 1,247.41

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Solution

The fourth proportional to 3,712.51, 5,568.90 and 1,247.41 is: 1,871.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.51 : 5,568.90 = 1,247.41 : x
  2. Step 2: Convert to fraction form
    3,712.51/5,568.90 = 1,247.41/x
  3. Step 3: Cross multiply
    3,712.51x = 5,568.90 × 1,247.41
  4. Step 4: Simplify right side
    3,712.51x = 6,946,701.55
  5. Step 5: Solve for x
    x = 6,946,701.55/3,712.51
  6. Step 6: Final answer
    x = 1,871.16

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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.