Home / 3,690.02-5,535.98-1,225.53

Finding the Fourth Proportional to 3,690.02, 5,535.98 and 1,225.53

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Solution

The fourth proportional to 3,690.02, 5,535.98 and 1,225.53 is: 1,838.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.02 : 5,535.98 = 1,225.53 : x
  2. Step 2: Convert to fraction form
    3,690.02/5,535.98 = 1,225.53/x
  3. Step 3: Cross multiply
    3,690.02x = 5,535.98 × 1,225.53
  4. Step 4: Simplify right side
    3,690.02x = 6,784,503.44
  5. Step 5: Solve for x
    x = 6,784,503.44/3,690.02
  6. Step 6: Final answer
    x = 1,838.61

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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.