Home / 2,172.52-2,998.38-1,614.70

Finding the Fourth Proportional to 2,172.52, 2,998.38 and 1,614.70

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Solution

The fourth proportional to 2,172.52, 2,998.38 and 1,614.70 is: 2,228.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172.52 : 2,998.38 = 1,614.70 : x
  2. Step 2: Convert to fraction form
    2,172.52/2,998.38 = 1,614.70/x
  3. Step 3: Cross multiply
    2,172.52x = 2,998.38 × 1,614.70
  4. Step 4: Simplify right side
    2,172.52x = 4,841,484.19
  5. Step 5: Solve for x
    x = 4,841,484.19/2,172.52
  6. Step 6: Final answer
    x = 2,228.51

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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.