Home / 3,625.27-5,438.02-1,285.63

Finding the Fourth Proportional to 3,625.27, 5,438.02 and 1,285.63

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Solution

The fourth proportional to 3,625.27, 5,438.02 and 1,285.63 is: 1,928.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.27 : 5,438.02 = 1,285.63 : x
  2. Step 2: Convert to fraction form
    3,625.27/5,438.02 = 1,285.63/x
  3. Step 3: Cross multiply
    3,625.27x = 5,438.02 × 1,285.63
  4. Step 4: Simplify right side
    3,625.27x = 6,991,281.65
  5. Step 5: Solve for x
    x = 6,991,281.65/3,625.27
  6. Step 6: Final answer
    x = 1,928.49

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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.