Home / 2,857.34-3,942.98-1,598.15

Finding the Fourth Proportional to 2,857.34, 3,942.98 and 1,598.15

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Solution

The fourth proportional to 2,857.34, 3,942.98 and 1,598.15 is: 2,205.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857.34 : 3,942.98 = 1,598.15 : x
  2. Step 2: Convert to fraction form
    2,857.34/3,942.98 = 1,598.15/x
  3. Step 3: Cross multiply
    2,857.34x = 3,942.98 × 1,598.15
  4. Step 4: Simplify right side
    2,857.34x = 6,301,445.78
  5. Step 5: Solve for x
    x = 6,301,445.78/2,857.34
  6. Step 6: Final answer
    x = 2,205.36

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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.