Home / 3,780.16-5,669.52-1,471.12

Finding the Fourth Proportional to 3,780.16, 5,669.52 and 1,471.12

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Solution

The fourth proportional to 3,780.16, 5,669.52 and 1,471.12 is: 2,206.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.16 : 5,669.52 = 1,471.12 : x
  2. Step 2: Convert to fraction form
    3,780.16/5,669.52 = 1,471.12/x
  3. Step 3: Cross multiply
    3,780.16x = 5,669.52 × 1,471.12
  4. Step 4: Simplify right side
    3,780.16x = 8,340,544.26
  5. Step 5: Solve for x
    x = 8,340,544.26/3,780.16
  6. Step 6: Final answer
    x = 2,206.40

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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.