Home / 2,857.19-3,943.01-1,598.24

Finding the Fourth Proportional to 2,857.19, 3,943.01 and 1,598.24

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Solution

The fourth proportional to 2,857.19, 3,943.01 and 1,598.24 is: 2,205.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857.19 : 3,943.01 = 1,598.24 : x
  2. Step 2: Convert to fraction form
    2,857.19/3,943.01 = 1,598.24/x
  3. Step 3: Cross multiply
    2,857.19x = 3,943.01 × 1,598.24
  4. Step 4: Simplify right side
    2,857.19x = 6,301,890.16
  5. Step 5: Solve for x
    x = 6,301,890.16/2,857.19
  6. Step 6: Final answer
    x = 2,205.63

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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.