Home / 3,298.02-4,947.40-1,106.90

Finding the Fourth Proportional to 3,298.02, 4,947.40 and 1,106.90

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Solution

The fourth proportional to 3,298.02, 4,947.40 and 1,106.90 is: 1,660.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.02 : 4,947.40 = 1,106.90 : x
  2. Step 2: Convert to fraction form
    3,298.02/4,947.40 = 1,106.90/x
  3. Step 3: Cross multiply
    3,298.02x = 4,947.40 × 1,106.90
  4. Step 4: Simplify right side
    3,298.02x = 5,476,277.06
  5. Step 5: Solve for x
    x = 5,476,277.06/3,298.02
  6. Step 6: Final answer
    x = 1,660.47

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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.