Home / 3,417.89-5,127.38-1,197.34

Finding the Fourth Proportional to 3,417.89, 5,127.38 and 1,197.34

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Solution

The fourth proportional to 3,417.89, 5,127.38 and 1,197.34 is: 1,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.89 : 5,127.38 = 1,197.34 : x
  2. Step 2: Convert to fraction form
    3,417.89/5,127.38 = 1,197.34/x
  3. Step 3: Cross multiply
    3,417.89x = 5,127.38 × 1,197.34
  4. Step 4: Simplify right side
    3,417.89x = 6,139,211.18
  5. Step 5: Solve for x
    x = 6,139,211.18/3,417.89
  6. Step 6: Final answer
    x = 1,796.20

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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.