Home / 3,190.02-4,784.28-1,545.72

Finding the Fourth Proportional to 3,190.02, 4,784.28 and 1,545.72

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Solution

The fourth proportional to 3,190.02, 4,784.28 and 1,545.72 is: 2,318.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.02 : 4,784.28 = 1,545.72 : x
  2. Step 2: Convert to fraction form
    3,190.02/4,784.28 = 1,545.72/x
  3. Step 3: Cross multiply
    3,190.02x = 4,784.28 × 1,545.72
  4. Step 4: Simplify right side
    3,190.02x = 7,395,157.28
  5. Step 5: Solve for x
    x = 7,395,157.28/3,190.02
  6. Step 6: Final answer
    x = 2,318.22

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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.