Home / 2,725.76-4,084.80-1,569.12

Finding the Fourth Proportional to 2,725.76, 4,084.80 and 1,569.12

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Solution

The fourth proportional to 2,725.76, 4,084.80 and 1,569.12 is: 2,351.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.76 : 4,084.80 = 1,569.12 : x
  2. Step 2: Convert to fraction form
    2,725.76/4,084.80 = 1,569.12/x
  3. Step 3: Cross multiply
    2,725.76x = 4,084.80 × 1,569.12
  4. Step 4: Simplify right side
    2,725.76x = 6,409,541.38
  5. Step 5: Solve for x
    x = 6,409,541.38/2,725.76
  6. Step 6: Final answer
    x = 2,351.47

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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.