Home / 3,043.30-4,565.41-1,288.30

Finding the Fourth Proportional to 3,043.30, 4,565.41 and 1,288.30

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Solution

The fourth proportional to 3,043.30, 4,565.41 and 1,288.30 is: 1,932.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,043.30 : 4,565.41 = 1,288.30 : x
  2. Step 2: Convert to fraction form
    3,043.30/4,565.41 = 1,288.30/x
  3. Step 3: Cross multiply
    3,043.30x = 4,565.41 × 1,288.30
  4. Step 4: Simplify right side
    3,043.30x = 5,881,617.70
  5. Step 5: Solve for x
    x = 5,881,617.70/3,043.30
  6. Step 6: Final answer
    x = 1,932.64

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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.