Home / 3,785.40-5,683.55-2,746.58

Finding the Fourth Proportional to 3,785.40, 5,683.55 and 2,746.58

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Solution

The fourth proportional to 3,785.40, 5,683.55 and 2,746.58 is: 4,123.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.40 : 5,683.55 = 2,746.58 : x
  2. Step 2: Convert to fraction form
    3,785.40/5,683.55 = 2,746.58/x
  3. Step 3: Cross multiply
    3,785.40x = 5,683.55 × 2,746.58
  4. Step 4: Simplify right side
    3,785.40x = 15,610,282.61
  5. Step 5: Solve for x
    x = 15,610,282.61/3,785.40
  6. Step 6: Final answer
    x = 4,123.81

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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.