Home / 3,981.76-5,973.39-1,901.93

Finding the Fourth Proportional to 3,981.76, 5,973.39 and 1,901.93

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Solution

The fourth proportional to 3,981.76, 5,973.39 and 1,901.93 is: 2,853.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981.76 : 5,973.39 = 1,901.93 : x
  2. Step 2: Convert to fraction form
    3,981.76/5,973.39 = 1,901.93/x
  3. Step 3: Cross multiply
    3,981.76x = 5,973.39 × 1,901.93
  4. Step 4: Simplify right side
    3,981.76x = 11,360,939.78
  5. Step 5: Solve for x
    x = 11,360,939.78/3,981.76
  6. Step 6: Final answer
    x = 2,853.25

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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.