Home / 2,429.93-3,345.20-2,318.35

Finding the Fourth Proportional to 2,429.93, 3,345.20 and 2,318.35

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Solution

The fourth proportional to 2,429.93, 3,345.20 and 2,318.35 is: 3,191.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429.93 : 3,345.20 = 2,318.35 : x
  2. Step 2: Convert to fraction form
    2,429.93/3,345.20 = 2,318.35/x
  3. Step 3: Cross multiply
    2,429.93x = 3,345.20 × 2,318.35
  4. Step 4: Simplify right side
    2,429.93x = 7,755,316.10
  5. Step 5: Solve for x
    x = 7,755,316.10/2,429.93
  6. Step 6: Final answer
    x = 3,191.58

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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.