Home / 1,767.20-2,652.06-1,424.66

Finding the Fourth Proportional to 1,767.20, 2,652.06 and 1,424.66

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Solution

The fourth proportional to 1,767.20, 2,652.06 and 1,424.66 is: 2,138.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.20 : 2,652.06 = 1,424.66 : x
  2. Step 2: Convert to fraction form
    1,767.20/2,652.06 = 1,424.66/x
  3. Step 3: Cross multiply
    1,767.20x = 2,652.06 × 1,424.66
  4. Step 4: Simplify right side
    1,767.20x = 3,778,270.54
  5. Step 5: Solve for x
    x = 3,778,270.54/1,767.20
  6. Step 6: Final answer
    x = 2,138.00

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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.