Home / 2,340.14-3,244.18-2,215.30

Finding the Fourth Proportional to 2,340.14, 3,244.18 and 2,215.30

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Solution

The fourth proportional to 2,340.14, 3,244.18 and 2,215.30 is: 3,071.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340.14 : 3,244.18 = 2,215.30 : x
  2. Step 2: Convert to fraction form
    2,340.14/3,244.18 = 2,215.30/x
  3. Step 3: Cross multiply
    2,340.14x = 3,244.18 × 2,215.30
  4. Step 4: Simplify right side
    2,340.14x = 7,186,804.66
  5. Step 5: Solve for x
    x = 7,186,804.66/2,340.14
  6. Step 6: Final answer
    x = 3,071.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.