Home / 2,306.79-3,462.53-1,688.66

Finding the Fourth Proportional to 2,306.79, 3,462.53 and 1,688.66

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Solution

The fourth proportional to 2,306.79, 3,462.53 and 1,688.66 is: 2,534.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,306.79 : 3,462.53 = 1,688.66 : x
  2. Step 2: Convert to fraction form
    2,306.79/3,462.53 = 1,688.66/x
  3. Step 3: Cross multiply
    2,306.79x = 3,462.53 × 1,688.66
  4. Step 4: Simplify right side
    2,306.79x = 5,847,022.82
  5. Step 5: Solve for x
    x = 5,847,022.82/2,306.79
  6. Step 6: Final answer
    x = 2,534.70

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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.