Home / 2,334.24-3,500.14-690.58

Finding the Fourth Proportional to 2,334.24, 3,500.14 and 690.58

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Solution

The fourth proportional to 2,334.24, 3,500.14 and 690.58 is: 1,035.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,334.24 : 3,500.14 = 690.58 : x
  2. Step 2: Convert to fraction form
    2,334.24/3,500.14 = 690.58/x
  3. Step 3: Cross multiply
    2,334.24x = 3,500.14 × 690.58
  4. Step 4: Simplify right side
    2,334.24x = 2,417,126.68
  5. Step 5: Solve for x
    x = 2,417,126.68/2,334.24
  6. Step 6: Final answer
    x = 1,035.51

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1.5x scale

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.