Home / 2,375.51-3,278.18-1,313.35

Finding the Fourth Proportional to 2,375.51, 3,278.18 and 1,313.35

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Solution

The fourth proportional to 2,375.51, 3,278.18 and 1,313.35 is: 1,812.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,375.51 : 3,278.18 = 1,313.35 : x
  2. Step 2: Convert to fraction form
    2,375.51/3,278.18 = 1,313.35/x
  3. Step 3: Cross multiply
    2,375.51x = 3,278.18 × 1,313.35
  4. Step 4: Simplify right side
    2,375.51x = 4,305,397.70
  5. Step 5: Solve for x
    x = 4,305,397.70/2,375.51
  6. Step 6: Final answer
    x = 1,812.41

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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.