Home / 3,100.06-4,278.09-1,702.90

Finding the Fourth Proportional to 3,100.06, 4,278.09 and 1,702.90

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Solution

The fourth proportional to 3,100.06, 4,278.09 and 1,702.90 is: 2,350.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.06 : 4,278.09 = 1,702.90 : x
  2. Step 2: Convert to fraction form
    3,100.06/4,278.09 = 1,702.90/x
  3. Step 3: Cross multiply
    3,100.06x = 4,278.09 × 1,702.90
  4. Step 4: Simplify right side
    3,100.06x = 7,285,159.46
  5. Step 5: Solve for x
    x = 7,285,159.46/3,100.06
  6. Step 6: Final answer
    x = 2,350.01

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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.