Home / 2,341.14-3,231.15-1,396.98

Finding the Fourth Proportional to 2,341.14, 3,231.15 and 1,396.98

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Solution

The fourth proportional to 2,341.14, 3,231.15 and 1,396.98 is: 1,928.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,341.14 : 3,231.15 = 1,396.98 : x
  2. Step 2: Convert to fraction form
    2,341.14/3,231.15 = 1,396.98/x
  3. Step 3: Cross multiply
    2,341.14x = 3,231.15 × 1,396.98
  4. Step 4: Simplify right side
    2,341.14x = 4,513,851.93
  5. Step 5: Solve for x
    x = 4,513,851.93/2,341.14
  6. Step 6: Final answer
    x = 1,928.06

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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.