Home / 2,334.20-3,501.27-690.77

Finding the Fourth Proportional to 2,334.20, 3,501.27 and 690.77

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Solution

The fourth proportional to 2,334.20, 3,501.27 and 690.77 is: 1,036.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,334.20 : 3,501.27 = 690.77 : x
  2. Step 2: Convert to fraction form
    2,334.20/3,501.27 = 690.77/x
  3. Step 3: Cross multiply
    2,334.20x = 3,501.27 × 690.77
  4. Step 4: Simplify right side
    2,334.20x = 2,418,581.03
  5. Step 5: Solve for x
    x = 2,418,581.03/2,334.20
  6. Step 6: Final answer
    x = 1,036.15

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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.