Home / 1,983.71-2,737.52-1,144.40

Finding the Fourth Proportional to 1,983.71, 2,737.52 and 1,144.40

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Solution

The fourth proportional to 1,983.71, 2,737.52 and 1,144.40 is: 1,579.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983.71 : 2,737.52 = 1,144.40 : x
  2. Step 2: Convert to fraction form
    1,983.71/2,737.52 = 1,144.40/x
  3. Step 3: Cross multiply
    1,983.71x = 2,737.52 × 1,144.40
  4. Step 4: Simplify right side
    1,983.71x = 3,132,808.74
  5. Step 5: Solve for x
    x = 3,132,808.74/1,983.71
  6. Step 6: Final answer
    x = 1,579.27

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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.