Home / 2,223.33-3,336.06-1,390.17

Finding the Fourth Proportional to 2,223.33, 3,336.06 and 1,390.17

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Solution

The fourth proportional to 2,223.33, 3,336.06 and 1,390.17 is: 2,085.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.33 : 3,336.06 = 1,390.17 : x
  2. Step 2: Convert to fraction form
    2,223.33/3,336.06 = 1,390.17/x
  3. Step 3: Cross multiply
    2,223.33x = 3,336.06 × 1,390.17
  4. Step 4: Simplify right side
    2,223.33x = 4,637,690.53
  5. Step 5: Solve for x
    x = 4,637,690.53/2,223.33
  6. Step 6: Final answer
    x = 2,085.92

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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.