Home / 1,943.87-2,916.40-1,164.76

Finding the Fourth Proportional to 1,943.87, 2,916.40 and 1,164.76

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Solution

The fourth proportional to 1,943.87, 2,916.40 and 1,164.76 is: 1,747.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.87 : 2,916.40 = 1,164.76 : x
  2. Step 2: Convert to fraction form
    1,943.87/2,916.40 = 1,164.76/x
  3. Step 3: Cross multiply
    1,943.87x = 2,916.40 × 1,164.76
  4. Step 4: Simplify right side
    1,943.87x = 3,396,906.06
  5. Step 5: Solve for x
    x = 3,396,906.06/1,943.87
  6. Step 6: Final answer
    x = 1,747.50

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1.5x scale

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.