Home / 3,385.28-5,077.76-1,652.16

Finding the Fourth Proportional to 3,385.28, 5,077.76 and 1,652.16

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Solution

The fourth proportional to 3,385.28, 5,077.76 and 1,652.16 is: 2,478.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.28 : 5,077.76 = 1,652.16 : x
  2. Step 2: Convert to fraction form
    3,385.28/5,077.76 = 1,652.16/x
  3. Step 3: Cross multiply
    3,385.28x = 5,077.76 × 1,652.16
  4. Step 4: Simplify right side
    3,385.28x = 8,389,271.96
  5. Step 5: Solve for x
    x = 8,389,271.96/3,385.28
  6. Step 6: Final answer
    x = 2,478.16

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1.5x scale

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.