Home / 3,079.08-4,248.86-1,900.53

Finding the Fourth Proportional to 3,079.08, 4,248.86 and 1,900.53

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Solution

The fourth proportional to 3,079.08, 4,248.86 and 1,900.53 is: 2,622.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.08 : 4,248.86 = 1,900.53 : x
  2. Step 2: Convert to fraction form
    3,079.08/4,248.86 = 1,900.53/x
  3. Step 3: Cross multiply
    3,079.08x = 4,248.86 × 1,900.53
  4. Step 4: Simplify right side
    3,079.08x = 8,075,076.39
  5. Step 5: Solve for x
    x = 8,075,076.39/3,079.08
  6. Step 6: Final answer
    x = 2,622.56

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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.