Home / 2,746.40-4,117.20-1,649.60

Finding the Fourth Proportional to 2,746.40, 4,117.20 and 1,649.60

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Solution

The fourth proportional to 2,746.40, 4,117.20 and 1,649.60 is: 2,472.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.40 : 4,117.20 = 1,649.60 : x
  2. Step 2: Convert to fraction form
    2,746.40/4,117.20 = 1,649.60/x
  3. Step 3: Cross multiply
    2,746.40x = 4,117.20 × 1,649.60
  4. Step 4: Simplify right side
    2,746.40x = 6,791,733.12
  5. Step 5: Solve for x
    x = 6,791,733.12/2,746.40
  6. Step 6: Final answer
    x = 2,472.96

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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.