Home / 2,390.28-3,586.45-1,295.41

Finding the Fourth Proportional to 2,390.28, 3,586.45 and 1,295.41

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Solution

The fourth proportional to 2,390.28, 3,586.45 and 1,295.41 is: 1,943.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.28 : 3,586.45 = 1,295.41 : x
  2. Step 2: Convert to fraction form
    2,390.28/3,586.45 = 1,295.41/x
  3. Step 3: Cross multiply
    2,390.28x = 3,586.45 × 1,295.41
  4. Step 4: Simplify right side
    2,390.28x = 4,645,916.72
  5. Step 5: Solve for x
    x = 4,645,916.72/2,390.28
  6. Step 6: Final answer
    x = 1,943.67

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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.