Home / 2,390.39-3,586.34-1,518.33

Finding the Fourth Proportional to 2,390.39, 3,586.34 and 1,518.33

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Solution

The fourth proportional to 2,390.39, 3,586.34 and 1,518.33 is: 2,277.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.39 : 3,586.34 = 1,518.33 : x
  2. Step 2: Convert to fraction form
    2,390.39/3,586.34 = 1,518.33/x
  3. Step 3: Cross multiply
    2,390.39x = 3,586.34 × 1,518.33
  4. Step 4: Simplify right side
    2,390.39x = 5,445,247.61
  5. Step 5: Solve for x
    x = 5,445,247.61/2,390.39
  6. Step 6: Final answer
    x = 2,277.97

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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.