Home / 3,053.12-4,568.34-1,821.20

Finding the Fourth Proportional to 3,053.12, 4,568.34 and 1,821.20

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Solution

The fourth proportional to 3,053.12, 4,568.34 and 1,821.20 is: 2,725.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,053.12 : 4,568.34 = 1,821.20 : x
  2. Step 2: Convert to fraction form
    3,053.12/4,568.34 = 1,821.20/x
  3. Step 3: Cross multiply
    3,053.12x = 4,568.34 × 1,821.20
  4. Step 4: Simplify right side
    3,053.12x = 8,319,860.81
  5. Step 5: Solve for x
    x = 8,319,860.81/3,053.12
  6. Step 6: Final answer
    x = 2,725.04

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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.