Home / 2,384.40-3,576.60-1,085.52

Finding the Fourth Proportional to 2,384.40, 3,576.60 and 1,085.52

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Solution

The fourth proportional to 2,384.40, 3,576.60 and 1,085.52 is: 1,628.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,384.40 : 3,576.60 = 1,085.52 : x
  2. Step 2: Convert to fraction form
    2,384.40/3,576.60 = 1,085.52/x
  3. Step 3: Cross multiply
    2,384.40x = 3,576.60 × 1,085.52
  4. Step 4: Simplify right side
    2,384.40x = 3,882,470.83
  5. Step 5: Solve for x
    x = 3,882,470.83/2,384.40
  6. Step 6: Final answer
    x = 1,628.28

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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.