Home / 2,286.90-3,430.34-555.53

Finding the Fourth Proportional to 2,286.90, 3,430.34 and 555.53

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Solution

The fourth proportional to 2,286.90, 3,430.34 and 555.53 is: 833.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.90 : 3,430.34 = 555.53 : x
  2. Step 2: Convert to fraction form
    2,286.90/3,430.34 = 555.53/x
  3. Step 3: Cross multiply
    2,286.90x = 3,430.34 × 555.53
  4. Step 4: Simplify right side
    2,286.90x = 1,905,656.78
  5. Step 5: Solve for x
    x = 1,905,656.78/2,286.90
  6. Step 6: Final answer
    x = 833.29

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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.