Home / 3,161.02-4,353.96-2,407.72

Finding the Fourth Proportional to 3,161.02, 4,353.96 and 2,407.72

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Solution

The fourth proportional to 3,161.02, 4,353.96 and 2,407.72 is: 3,316.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.02 : 4,353.96 = 2,407.72 : x
  2. Step 2: Convert to fraction form
    3,161.02/4,353.96 = 2,407.72/x
  3. Step 3: Cross multiply
    3,161.02x = 4,353.96 × 2,407.72
  4. Step 4: Simplify right side
    3,161.02x = 10,483,116.57
  5. Step 5: Solve for x
    x = 10,483,116.57/3,161.02
  6. Step 6: Final answer
    x = 3,316.37

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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.