Home / 2,310.40-3,458.88-1,442.08

Finding the Fourth Proportional to 2,310.40, 3,458.88 and 1,442.08

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Solution

The fourth proportional to 2,310.40, 3,458.88 and 1,442.08 is: 2,158.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.40 : 3,458.88 = 1,442.08 : x
  2. Step 2: Convert to fraction form
    2,310.40/3,458.88 = 1,442.08/x
  3. Step 3: Cross multiply
    2,310.40x = 3,458.88 × 1,442.08
  4. Step 4: Simplify right side
    2,310.40x = 4,987,981.67
  5. Step 5: Solve for x
    x = 4,987,981.67/2,310.40
  6. Step 6: Final answer
    x = 2,158.93

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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.