Home / 3,040.74-4,557.69-1,285.20

Finding the Fourth Proportional to 3,040.74, 4,557.69 and 1,285.20

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Solution

The fourth proportional to 3,040.74, 4,557.69 and 1,285.20 is: 1,926.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.74 : 4,557.69 = 1,285.20 : x
  2. Step 2: Convert to fraction form
    3,040.74/4,557.69 = 1,285.20/x
  3. Step 3: Cross multiply
    3,040.74x = 4,557.69 × 1,285.20
  4. Step 4: Simplify right side
    3,040.74x = 5,857,543.19
  5. Step 5: Solve for x
    x = 5,857,543.19/3,040.74
  6. Step 6: Final answer
    x = 1,926.35

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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.