Home / 2,671.02-4,003.70-1,283.49

Finding the Fourth Proportional to 2,671.02, 4,003.70 and 1,283.49

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Solution

The fourth proportional to 2,671.02, 4,003.70 and 1,283.49 is: 1,923.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671.02 : 4,003.70 = 1,283.49 : x
  2. Step 2: Convert to fraction form
    2,671.02/4,003.70 = 1,283.49/x
  3. Step 3: Cross multiply
    2,671.02x = 4,003.70 × 1,283.49
  4. Step 4: Simplify right side
    2,671.02x = 5,138,702.50
  5. Step 5: Solve for x
    x = 5,138,702.50/2,671.02
  6. Step 6: Final answer
    x = 1,923.87

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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.