Home / 2,281.16-3,150.08-1,720.67

Finding the Fourth Proportional to 2,281.16, 3,150.08 and 1,720.67

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Solution

The fourth proportional to 2,281.16, 3,150.08 and 1,720.67 is: 2,376.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.16 : 3,150.08 = 1,720.67 : x
  2. Step 2: Convert to fraction form
    2,281.16/3,150.08 = 1,720.67/x
  3. Step 3: Cross multiply
    2,281.16x = 3,150.08 × 1,720.67
  4. Step 4: Simplify right side
    2,281.16x = 5,420,223.80
  5. Step 5: Solve for x
    x = 5,420,223.80/2,281.16
  6. Step 6: Final answer
    x = 2,376.09

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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.