Home / 2,040.16-3,059.50-1,116.40

Finding the Fourth Proportional to 2,040.16, 3,059.50 and 1,116.40

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Solution

The fourth proportional to 2,040.16, 3,059.50 and 1,116.40 is: 1,674.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.16 : 3,059.50 = 1,116.40 : x
  2. Step 2: Convert to fraction form
    2,040.16/3,059.50 = 1,116.40/x
  3. Step 3: Cross multiply
    2,040.16x = 3,059.50 × 1,116.40
  4. Step 4: Simplify right side
    2,040.16x = 3,415,625.80
  5. Step 5: Solve for x
    x = 3,415,625.80/2,040.16
  6. Step 6: Final answer
    x = 1,674.20

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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.