Home / 3,100.40-4,652.02-1,345.94

Finding the Fourth Proportional to 3,100.40, 4,652.02 and 1,345.94

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Solution

The fourth proportional to 3,100.40, 4,652.02 and 1,345.94 is: 2,019.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.40 : 4,652.02 = 1,345.94 : x
  2. Step 2: Convert to fraction form
    3,100.40/4,652.02 = 1,345.94/x
  3. Step 3: Cross multiply
    3,100.40x = 4,652.02 × 1,345.94
  4. Step 4: Simplify right side
    3,100.40x = 6,261,339.80
  5. Step 5: Solve for x
    x = 6,261,339.80/3,100.40
  6. Step 6: Final answer
    x = 2,019.53

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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.