Home / 3,746.32-5,618.80-1,148.68

Finding the Fourth Proportional to 3,746.32, 5,618.80 and 1,148.68

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Solution

The fourth proportional to 3,746.32, 5,618.80 and 1,148.68 is: 1,722.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.32 : 5,618.80 = 1,148.68 : x
  2. Step 2: Convert to fraction form
    3,746.32/5,618.80 = 1,148.68/x
  3. Step 3: Cross multiply
    3,746.32x = 5,618.80 × 1,148.68
  4. Step 4: Simplify right side
    3,746.32x = 6,454,203.18
  5. Step 5: Solve for x
    x = 6,454,203.18/3,746.32
  6. Step 6: Final answer
    x = 1,722.81

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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.