Home / 3,840.74-5,756.55-1,497.95

Finding the Fourth Proportional to 3,840.74, 5,756.55 and 1,497.95

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Solution

The fourth proportional to 3,840.74, 5,756.55 and 1,497.95 is: 2,245.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.74 : 5,756.55 = 1,497.95 : x
  2. Step 2: Convert to fraction form
    3,840.74/5,756.55 = 1,497.95/x
  3. Step 3: Cross multiply
    3,840.74x = 5,756.55 × 1,497.95
  4. Step 4: Simplify right side
    3,840.74x = 8,623,024.07
  5. Step 5: Solve for x
    x = 8,623,024.07/3,840.74
  6. Step 6: Final answer
    x = 2,245.15

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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.