Home / 2,458.31-3,393.20-1,607.69

Finding the Fourth Proportional to 2,458.31, 3,393.20 and 1,607.69

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Solution

The fourth proportional to 2,458.31, 3,393.20 and 1,607.69 is: 2,219.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.31 : 3,393.20 = 1,607.69 : x
  2. Step 2: Convert to fraction form
    2,458.31/3,393.20 = 1,607.69/x
  3. Step 3: Cross multiply
    2,458.31x = 3,393.20 × 1,607.69
  4. Step 4: Simplify right side
    2,458.31x = 5,455,226.21
  5. Step 5: Solve for x
    x = 5,455,226.21/2,458.31
  6. Step 6: Final answer
    x = 2,219.10

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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.