Home / 3,647.94-5,470.75-1,182.18

Finding the Fourth Proportional to 3,647.94, 5,470.75 and 1,182.18

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Solution

The fourth proportional to 3,647.94, 5,470.75 and 1,182.18 is: 1,772.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647.94 : 5,470.75 = 1,182.18 : x
  2. Step 2: Convert to fraction form
    3,647.94/5,470.75 = 1,182.18/x
  3. Step 3: Cross multiply
    3,647.94x = 5,470.75 × 1,182.18
  4. Step 4: Simplify right side
    3,647.94x = 6,467,411.24
  5. Step 5: Solve for x
    x = 6,467,411.24/3,647.94
  6. Step 6: Final answer
    x = 1,772.89

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1.5x scale

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.