Home / 2,763.20-4,145.40-1,302.36

Finding the Fourth Proportional to 2,763.20, 4,145.40 and 1,302.36

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Solution

The fourth proportional to 2,763.20, 4,145.40 and 1,302.36 is: 1,953.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.20 : 4,145.40 = 1,302.36 : x
  2. Step 2: Convert to fraction form
    2,763.20/4,145.40 = 1,302.36/x
  3. Step 3: Cross multiply
    2,763.20x = 4,145.40 × 1,302.36
  4. Step 4: Simplify right side
    2,763.20x = 5,398,803.14
  5. Step 5: Solve for x
    x = 5,398,803.14/2,763.20
  6. Step 6: Final answer
    x = 1,953.83

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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.