Home / 3,155.06-4,732.25-1,400.10

Finding the Fourth Proportional to 3,155.06, 4,732.25 and 1,400.10

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Solution

The fourth proportional to 3,155.06, 4,732.25 and 1,400.10 is: 2,100.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.06 : 4,732.25 = 1,400.10 : x
  2. Step 2: Convert to fraction form
    3,155.06/4,732.25 = 1,400.10/x
  3. Step 3: Cross multiply
    3,155.06x = 4,732.25 × 1,400.10
  4. Step 4: Simplify right side
    3,155.06x = 6,625,616.22
  5. Step 5: Solve for x
    x = 6,625,616.22/3,155.06
  6. Step 6: Final answer
    x = 2,100.00

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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.