Home / 2,390.89-3,586.44-1,465.87

Finding the Fourth Proportional to 2,390.89, 3,586.44 and 1,465.87

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Solution

The fourth proportional to 2,390.89, 3,586.44 and 1,465.87 is: 2,198.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.89 : 3,586.44 = 1,465.87 : x
  2. Step 2: Convert to fraction form
    2,390.89/3,586.44 = 1,465.87/x
  3. Step 3: Cross multiply
    2,390.89x = 3,586.44 × 1,465.87
  4. Step 4: Simplify right side
    2,390.89x = 5,257,254.80
  5. Step 5: Solve for x
    x = 5,257,254.80/2,390.89
  6. Step 6: Final answer
    x = 2,198.87

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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.