Home / 3,152.10-4,734.90-1,920.18

Finding the Fourth Proportional to 3,152.10, 4,734.90 and 1,920.18

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Solution

The fourth proportional to 3,152.10, 4,734.90 and 1,920.18 is: 2,884.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.10 : 4,734.90 = 1,920.18 : x
  2. Step 2: Convert to fraction form
    3,152.10/4,734.90 = 1,920.18/x
  3. Step 3: Cross multiply
    3,152.10x = 4,734.90 × 1,920.18
  4. Step 4: Simplify right side
    3,152.10x = 9,091,860.28
  5. Step 5: Solve for x
    x = 9,091,860.28/3,152.10
  6. Step 6: Final answer
    x = 2,884.38

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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.