Home / 2,130.17-3,192.28-1,609.74

Finding the Fourth Proportional to 2,130.17, 3,192.28 and 1,609.74

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Solution

The fourth proportional to 2,130.17, 3,192.28 and 1,609.74 is: 2,412.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130.17 : 3,192.28 = 1,609.74 : x
  2. Step 2: Convert to fraction form
    2,130.17/3,192.28 = 1,609.74/x
  3. Step 3: Cross multiply
    2,130.17x = 3,192.28 × 1,609.74
  4. Step 4: Simplify right side
    2,130.17x = 5,138,736.78
  5. Step 5: Solve for x
    x = 5,138,736.78/2,130.17
  6. Step 6: Final answer
    x = 2,412.37

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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.