Home / 3,100.35-4,278.48-1,703.10

Finding the Fourth Proportional to 3,100.35, 4,278.48 and 1,703.10

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Solution

The fourth proportional to 3,100.35, 4,278.48 and 1,703.10 is: 2,350.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.35 : 4,278.48 = 1,703.10 : x
  2. Step 2: Convert to fraction form
    3,100.35/4,278.48 = 1,703.10/x
  3. Step 3: Cross multiply
    3,100.35x = 4,278.48 × 1,703.10
  4. Step 4: Simplify right side
    3,100.35x = 7,286,679.29
  5. Step 5: Solve for x
    x = 7,286,679.29/3,100.35
  6. Step 6: Final answer
    x = 2,350.28

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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.