Home / 2,088.68-3,125.62-1,817.72

Finding the Fourth Proportional to 2,088.68, 3,125.62 and 1,817.72

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Solution

The fourth proportional to 2,088.68, 3,125.62 and 1,817.72 is: 2,720.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.68 : 3,125.62 = 1,817.72 : x
  2. Step 2: Convert to fraction form
    2,088.68/3,125.62 = 1,817.72/x
  3. Step 3: Cross multiply
    2,088.68x = 3,125.62 × 1,817.72
  4. Step 4: Simplify right side
    2,088.68x = 5,681,501.99
  5. Step 5: Solve for x
    x = 5,681,501.99/2,088.68
  6. Step 6: Final answer
    x = 2,720.14

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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.