Home / 3,157.16-4,355.74-1,897.24

Finding the Fourth Proportional to 3,157.16, 4,355.74 and 1,897.24

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Solution

The fourth proportional to 3,157.16, 4,355.74 and 1,897.24 is: 2,617.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.16 : 4,355.74 = 1,897.24 : x
  2. Step 2: Convert to fraction form
    3,157.16/4,355.74 = 1,897.24/x
  3. Step 3: Cross multiply
    3,157.16x = 4,355.74 × 1,897.24
  4. Step 4: Simplify right side
    3,157.16x = 8,263,884.16
  5. Step 5: Solve for x
    x = 8,263,884.16/3,157.16
  6. Step 6: Final answer
    x = 2,617.51

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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.