Home / 3,458.11-4,772.86-2,114.32

Finding the Fourth Proportional to 3,458.11, 4,772.86 and 2,114.32

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Solution

The fourth proportional to 3,458.11, 4,772.86 and 2,114.32 is: 2,918.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.11 : 4,772.86 = 2,114.32 : x
  2. Step 2: Convert to fraction form
    3,458.11/4,772.86 = 2,114.32/x
  3. Step 3: Cross multiply
    3,458.11x = 4,772.86 × 2,114.32
  4. Step 4: Simplify right side
    3,458.11x = 10,091,353.36
  5. Step 5: Solve for x
    x = 10,091,353.36/3,458.11
  6. Step 6: Final answer
    x = 2,918.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.