Home / 3,040.63-4,557.60-1,191.40

Finding the Fourth Proportional to 3,040.63, 4,557.60 and 1,191.40

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Solution

The fourth proportional to 3,040.63, 4,557.60 and 1,191.40 is: 1,785.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.63 : 4,557.60 = 1,191.40 : x
  2. Step 2: Convert to fraction form
    3,040.63/4,557.60 = 1,191.40/x
  3. Step 3: Cross multiply
    3,040.63x = 4,557.60 × 1,191.40
  4. Step 4: Simplify right side
    3,040.63x = 5,429,924.64
  5. Step 5: Solve for x
    x = 5,429,924.64/3,040.63
  6. Step 6: Final answer
    x = 1,785.79

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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.