Home / 2,373.96-3,275.26-1,378.42

Finding the Fourth Proportional to 2,373.96, 3,275.26 and 1,378.42

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Solution

The fourth proportional to 2,373.96, 3,275.26 and 1,378.42 is: 1,901.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,373.96 : 3,275.26 = 1,378.42 : x
  2. Step 2: Convert to fraction form
    2,373.96/3,275.26 = 1,378.42/x
  3. Step 3: Cross multiply
    2,373.96x = 3,275.26 × 1,378.42
  4. Step 4: Simplify right side
    2,373.96x = 4,514,676.13
  5. Step 5: Solve for x
    x = 4,514,676.13/2,373.96
  6. Step 6: Final answer
    x = 1,901.75

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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.