Home / 2,124.61-3,186.68-1,301.45

Finding the Fourth Proportional to 2,124.61, 3,186.68 and 1,301.45

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Solution

The fourth proportional to 2,124.61, 3,186.68 and 1,301.45 is: 1,952.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124.61 : 3,186.68 = 1,301.45 : x
  2. Step 2: Convert to fraction form
    2,124.61/3,186.68 = 1,301.45/x
  3. Step 3: Cross multiply
    2,124.61x = 3,186.68 × 1,301.45
  4. Step 4: Simplify right side
    2,124.61x = 4,147,282.25
  5. Step 5: Solve for x
    x = 4,147,282.25/2,124.61
  6. Step 6: Final answer
    x = 1,952.02

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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.