Home / 2,569.60-3,545.20-1,684.96

Finding the Fourth Proportional to 2,569.60, 3,545.20 and 1,684.96

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Solution

The fourth proportional to 2,569.60, 3,545.20 and 1,684.96 is: 2,324.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,569.60 : 3,545.20 = 1,684.96 : x
  2. Step 2: Convert to fraction form
    2,569.60/3,545.20 = 1,684.96/x
  3. Step 3: Cross multiply
    2,569.60x = 3,545.20 × 1,684.96
  4. Step 4: Simplify right side
    2,569.60x = 5,973,520.19
  5. Step 5: Solve for x
    x = 5,973,520.19/2,569.60
  6. Step 6: Final answer
    x = 2,324.69

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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.