Home / 3,211.66-4,785.56-2,862.32

Finding the Fourth Proportional to 3,211.66, 4,785.56 and 2,862.32

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Solution

The fourth proportional to 3,211.66, 4,785.56 and 2,862.32 is: 4,265.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.66 : 4,785.56 = 2,862.32 : x
  2. Step 2: Convert to fraction form
    3,211.66/4,785.56 = 2,862.32/x
  3. Step 3: Cross multiply
    3,211.66x = 4,785.56 × 2,862.32
  4. Step 4: Simplify right side
    3,211.66x = 13,697,804.10
  5. Step 5: Solve for x
    x = 13,697,804.10/3,211.66
  6. Step 6: Final answer
    x = 4,265.02

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1.5x scale

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.