Home / 2,828.20-3,903.14-1,649.24

Finding the Fourth Proportional to 2,828.20, 3,903.14 and 1,649.24

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Solution

The fourth proportional to 2,828.20, 3,903.14 and 1,649.24 is: 2,276.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.20 : 3,903.14 = 1,649.24 : x
  2. Step 2: Convert to fraction form
    2,828.20/3,903.14 = 1,649.24/x
  3. Step 3: Cross multiply
    2,828.20x = 3,903.14 × 1,649.24
  4. Step 4: Simplify right side
    2,828.20x = 6,437,214.61
  5. Step 5: Solve for x
    x = 6,437,214.61/2,828.20
  6. Step 6: Final answer
    x = 2,276.08

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1.5x scale

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.