Home / 2,390.44-3,581.10-1,867.98

Finding the Fourth Proportional to 2,390.44, 3,581.10 and 1,867.98

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Solution

The fourth proportional to 2,390.44, 3,581.10 and 1,867.98 is: 2,798.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.44 : 3,581.10 = 1,867.98 : x
  2. Step 2: Convert to fraction form
    2,390.44/3,581.10 = 1,867.98/x
  3. Step 3: Cross multiply
    2,390.44x = 3,581.10 × 1,867.98
  4. Step 4: Simplify right side
    2,390.44x = 6,689,423.18
  5. Step 5: Solve for x
    x = 6,689,423.18/2,390.44
  6. Step 6: Final answer
    x = 2,798.41

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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.