Home / 2,429.77-3,344.98-2,318.19

Finding the Fourth Proportional to 2,429.77, 3,344.98 and 2,318.19

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Solution

The fourth proportional to 2,429.77, 3,344.98 and 2,318.19 is: 3,191.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429.77 : 3,344.98 = 2,318.19 : x
  2. Step 2: Convert to fraction form
    2,429.77/3,344.98 = 2,318.19/x
  3. Step 3: Cross multiply
    2,429.77x = 3,344.98 × 2,318.19
  4. Step 4: Simplify right side
    2,429.77x = 7,754,299.19
  5. Step 5: Solve for x
    x = 7,754,299.19/2,429.77
  6. Step 6: Final answer
    x = 3,191.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.