Home / 1,981.95-2,964.02-1,763.87

Finding the Fourth Proportional to 1,981.95, 2,964.02 and 1,763.87

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Solution

The fourth proportional to 1,981.95, 2,964.02 and 1,763.87 is: 2,637.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981.95 : 2,964.02 = 1,763.87 : x
  2. Step 2: Convert to fraction form
    1,981.95/2,964.02 = 1,763.87/x
  3. Step 3: Cross multiply
    1,981.95x = 2,964.02 × 1,763.87
  4. Step 4: Simplify right side
    1,981.95x = 5,228,122.32
  5. Step 5: Solve for x
    x = 5,228,122.32/1,981.95
  6. Step 6: Final answer
    x = 2,637.87

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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.