Home / 3,541.28-4,886.91-1,947.99

Finding the Fourth Proportional to 3,541.28, 4,886.91 and 1,947.99

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Solution

The fourth proportional to 3,541.28, 4,886.91 and 1,947.99 is: 2,688.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541.28 : 4,886.91 = 1,947.99 : x
  2. Step 2: Convert to fraction form
    3,541.28/4,886.91 = 1,947.99/x
  3. Step 3: Cross multiply
    3,541.28x = 4,886.91 × 1,947.99
  4. Step 4: Simplify right side
    3,541.28x = 9,519,651.81
  5. Step 5: Solve for x
    x = 9,519,651.81/3,541.28
  6. Step 6: Final answer
    x = 2,688.20

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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.