Home / 1,886.24-2,601.78-1,223.93

Finding the Fourth Proportional to 1,886.24, 2,601.78 and 1,223.93

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Solution

The fourth proportional to 1,886.24, 2,601.78 and 1,223.93 is: 1,688.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886.24 : 2,601.78 = 1,223.93 : x
  2. Step 2: Convert to fraction form
    1,886.24/2,601.78 = 1,223.93/x
  3. Step 3: Cross multiply
    1,886.24x = 2,601.78 × 1,223.93
  4. Step 4: Simplify right side
    1,886.24x = 3,184,396.60
  5. Step 5: Solve for x
    x = 3,184,396.60/1,886.24
  6. Step 6: Final answer
    x = 1,688.22

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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.