Home / 2,857.27-3,943.16-1,598.32

Finding the Fourth Proportional to 2,857.27, 3,943.16 and 1,598.32

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Solution

The fourth proportional to 2,857.27, 3,943.16 and 1,598.32 is: 2,205.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857.27 : 3,943.16 = 1,598.32 : x
  2. Step 2: Convert to fraction form
    2,857.27/3,943.16 = 1,598.32/x
  3. Step 3: Cross multiply
    2,857.27x = 3,943.16 × 1,598.32
  4. Step 4: Simplify right side
    2,857.27x = 6,302,423.50
  5. Step 5: Solve for x
    x = 6,302,423.50/2,857.27
  6. Step 6: Final answer
    x = 2,205.75

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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.