Home / 3,519.02-5,278.26-1,210.52

Finding the Fourth Proportional to 3,519.02, 5,278.26 and 1,210.52

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Solution

The fourth proportional to 3,519.02, 5,278.26 and 1,210.52 is: 1,815.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.02 : 5,278.26 = 1,210.52 : x
  2. Step 2: Convert to fraction form
    3,519.02/5,278.26 = 1,210.52/x
  3. Step 3: Cross multiply
    3,519.02x = 5,278.26 × 1,210.52
  4. Step 4: Simplify right side
    3,519.02x = 6,389,439.30
  5. Step 5: Solve for x
    x = 6,389,439.30/3,519.02
  6. Step 6: Final answer
    x = 1,815.69

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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.