Home / 3,693.75-5,539.95-1,228.29

Finding the Fourth Proportional to 3,693.75, 5,539.95 and 1,228.29

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Solution

The fourth proportional to 3,693.75, 5,539.95 and 1,228.29 is: 1,842.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693.75 : 5,539.95 = 1,228.29 : x
  2. Step 2: Convert to fraction form
    3,693.75/5,539.95 = 1,228.29/x
  3. Step 3: Cross multiply
    3,693.75x = 5,539.95 × 1,228.29
  4. Step 4: Simplify right side
    3,693.75x = 6,804,665.19
  5. Step 5: Solve for x
    x = 6,804,665.19/3,693.75
  6. Step 6: Final answer
    x = 1,842.21

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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.