Home / 1,981.10-2,733.06-1,194.71

Finding the Fourth Proportional to 1,981.10, 2,733.06 and 1,194.71

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Solution

The fourth proportional to 1,981.10, 2,733.06 and 1,194.71 is: 1,648.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981.10 : 2,733.06 = 1,194.71 : x
  2. Step 2: Convert to fraction form
    1,981.10/2,733.06 = 1,194.71/x
  3. Step 3: Cross multiply
    1,981.10x = 2,733.06 × 1,194.71
  4. Step 4: Simplify right side
    1,981.10x = 3,265,214.11
  5. Step 5: Solve for x
    x = 3,265,214.11/1,981.10
  6. Step 6: Final answer
    x = 1,648.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.