Home / 2,124.19-3,186.06-1,301.03

Finding the Fourth Proportional to 2,124.19, 3,186.06 and 1,301.03

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Solution

The fourth proportional to 2,124.19, 3,186.06 and 1,301.03 is: 1,951.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124.19 : 3,186.06 = 1,301.03 : x
  2. Step 2: Convert to fraction form
    2,124.19/3,186.06 = 1,301.03/x
  3. Step 3: Cross multiply
    2,124.19x = 3,186.06 × 1,301.03
  4. Step 4: Simplify right side
    2,124.19x = 4,145,159.64
  5. Step 5: Solve for x
    x = 4,145,159.64/2,124.19
  6. Step 6: Final answer
    x = 1,951.41

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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.