Home / 2,289.15-3,430.62-2,061.54

Finding the Fourth Proportional to 2,289.15, 3,430.62 and 2,061.54

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Solution

The fourth proportional to 2,289.15, 3,430.62 and 2,061.54 is: 3,089.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.15 : 3,430.62 = 2,061.54 : x
  2. Step 2: Convert to fraction form
    2,289.15/3,430.62 = 2,061.54/x
  3. Step 3: Cross multiply
    2,289.15x = 3,430.62 × 2,061.54
  4. Step 4: Simplify right side
    2,289.15x = 7,072,360.35
  5. Step 5: Solve for x
    x = 7,072,360.35/2,289.15
  6. Step 6: Final answer
    x = 3,089.51

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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.