Home / 2,278.26-3,412.35-1,660.57

Finding the Fourth Proportional to 2,278.26, 3,412.35 and 1,660.57

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Solution

The fourth proportional to 2,278.26, 3,412.35 and 1,660.57 is: 2,487.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.26 : 3,412.35 = 1,660.57 : x
  2. Step 2: Convert to fraction form
    2,278.26/3,412.35 = 1,660.57/x
  3. Step 3: Cross multiply
    2,278.26x = 3,412.35 × 1,660.57
  4. Step 4: Simplify right side
    2,278.26x = 5,666,437.51
  5. Step 5: Solve for x
    x = 5,666,437.51/2,278.26
  6. Step 6: Final answer
    x = 2,487.18

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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.