Home / 3,156.47-4,355.93-1,759.22

Finding the Fourth Proportional to 3,156.47, 4,355.93 and 1,759.22

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Solution

The fourth proportional to 3,156.47, 4,355.93 and 1,759.22 is: 2,427.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.47 : 4,355.93 = 1,759.22 : x
  2. Step 2: Convert to fraction form
    3,156.47/4,355.93 = 1,759.22/x
  3. Step 3: Cross multiply
    3,156.47x = 4,355.93 × 1,759.22
  4. Step 4: Simplify right side
    3,156.47x = 7,663,028.23
  5. Step 5: Solve for x
    x = 7,663,028.23/3,156.47
  6. Step 6: Final answer
    x = 2,427.72

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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.