Home / 1,969.45-2,718.17-1,184.29

Finding the Fourth Proportional to 1,969.45, 2,718.17 and 1,184.29

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Solution

The fourth proportional to 1,969.45, 2,718.17 and 1,184.29 is: 1,634.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969.45 : 2,718.17 = 1,184.29 : x
  2. Step 2: Convert to fraction form
    1,969.45/2,718.17 = 1,184.29/x
  3. Step 3: Cross multiply
    1,969.45x = 2,718.17 × 1,184.29
  4. Step 4: Simplify right side
    1,969.45x = 3,219,101.55
  5. Step 5: Solve for x
    x = 3,219,101.55/1,969.45
  6. Step 6: Final answer
    x = 1,634.52

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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.