Home / 2,690.24-4,035.06-934.94

Finding the Fourth Proportional to 2,690.24, 4,035.06 and 934.94

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Solution

The fourth proportional to 2,690.24, 4,035.06 and 934.94 is: 1,402.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690.24 : 4,035.06 = 934.94 : x
  2. Step 2: Convert to fraction form
    2,690.24/4,035.06 = 934.94/x
  3. Step 3: Cross multiply
    2,690.24x = 4,035.06 × 934.94
  4. Step 4: Simplify right side
    2,690.24x = 3,772,514.15
  5. Step 5: Solve for x
    x = 3,772,514.15/2,690.24
  6. Step 6: Final answer
    x = 1,402.30

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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.