Home / 2,188.24-3,017-1,400.96

Finding the Fourth Proportional to 2,188.24, 3,017 and 1,400.96

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Solution

The fourth proportional to 2,188.24, 3,017 and 1,400.96 is: 1,931.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188.24 : 3,017 = 1,400.96 : x
  2. Step 2: Convert to fraction form
    2,188.24/3,017 = 1,400.96/x
  3. Step 3: Cross multiply
    2,188.24x = 3,017 × 1,400.96
  4. Step 4: Simplify right side
    2,188.24x = 4,226,696.32
  5. Step 5: Solve for x
    x = 4,226,696.32/2,188.24
  6. Step 6: Final answer
    x = 1,931.55

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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.