Home / 2,328.48-3,479.28-1,761.90

Finding the Fourth Proportional to 2,328.48, 3,479.28 and 1,761.90

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Solution

The fourth proportional to 2,328.48, 3,479.28 and 1,761.90 is: 2,632.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328.48 : 3,479.28 = 1,761.90 : x
  2. Step 2: Convert to fraction form
    2,328.48/3,479.28 = 1,761.90/x
  3. Step 3: Cross multiply
    2,328.48x = 3,479.28 × 1,761.90
  4. Step 4: Simplify right side
    2,328.48x = 6,130,143.43
  5. Step 5: Solve for x
    x = 6,130,143.43/2,328.48
  6. Step 6: Final answer
    x = 2,632.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.