Home / 3,763.28-5,644.56-1,298.28

Finding the Fourth Proportional to 3,763.28, 5,644.56 and 1,298.28

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Solution

The fourth proportional to 3,763.28, 5,644.56 and 1,298.28 is: 1,947.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,763.28 : 5,644.56 = 1,298.28 : x
  2. Step 2: Convert to fraction form
    3,763.28/5,644.56 = 1,298.28/x
  3. Step 3: Cross multiply
    3,763.28x = 5,644.56 × 1,298.28
  4. Step 4: Simplify right side
    3,763.28x = 7,328,219.36
  5. Step 5: Solve for x
    x = 7,328,219.36/3,763.28
  6. Step 6: Final answer
    x = 1,947.30

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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.