Home / 3,043.55-4,565.94-1,288.55

Finding the Fourth Proportional to 3,043.55, 4,565.94 and 1,288.55

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Solution

The fourth proportional to 3,043.55, 4,565.94 and 1,288.55 is: 1,933.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,043.55 : 4,565.94 = 1,288.55 : x
  2. Step 2: Convert to fraction form
    3,043.55/4,565.94 = 1,288.55/x
  3. Step 3: Cross multiply
    3,043.55x = 4,565.94 × 1,288.55
  4. Step 4: Simplify right side
    3,043.55x = 5,883,419.16
  5. Step 5: Solve for x
    x = 5,883,419.16/3,043.55
  6. Step 6: Final answer
    x = 1,933.08

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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.