Home / 1,949.63-2,686.77-1,359.14

Finding the Fourth Proportional to 1,949.63, 2,686.77 and 1,359.14

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Solution

The fourth proportional to 1,949.63, 2,686.77 and 1,359.14 is: 1,873.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949.63 : 2,686.77 = 1,359.14 : x
  2. Step 2: Convert to fraction form
    1,949.63/2,686.77 = 1,359.14/x
  3. Step 3: Cross multiply
    1,949.63x = 2,686.77 × 1,359.14
  4. Step 4: Simplify right side
    1,949.63x = 3,651,683.14
  5. Step 5: Solve for x
    x = 3,651,683.14/1,949.63
  6. Step 6: Final answer
    x = 1,873.02

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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.