Home / 3,388.47-4,675.95-1,896.45

Finding the Fourth Proportional to 3,388.47, 4,675.95 and 1,896.45

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Solution

The fourth proportional to 3,388.47, 4,675.95 and 1,896.45 is: 2,617.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.47 : 4,675.95 = 1,896.45 : x
  2. Step 2: Convert to fraction form
    3,388.47/4,675.95 = 1,896.45/x
  3. Step 3: Cross multiply
    3,388.47x = 4,675.95 × 1,896.45
  4. Step 4: Simplify right side
    3,388.47x = 8,867,705.38
  5. Step 5: Solve for x
    x = 8,867,705.38/3,388.47
  6. Step 6: Final answer
    x = 2,617.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.