Home / 2,672.10-3,686.68-1,552.81

Finding the Fourth Proportional to 2,672.10, 3,686.68 and 1,552.81

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Solution

The fourth proportional to 2,672.10, 3,686.68 and 1,552.81 is: 2,142.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.10 : 3,686.68 = 1,552.81 : x
  2. Step 2: Convert to fraction form
    2,672.10/3,686.68 = 1,552.81/x
  3. Step 3: Cross multiply
    2,672.10x = 3,686.68 × 1,552.81
  4. Step 4: Simplify right side
    2,672.10x = 5,724,713.57
  5. Step 5: Solve for x
    x = 5,724,713.57/2,672.10
  6. Step 6: Final answer
    x = 2,142.40

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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.