Home / 3,943.10-5,918.75-2,904.28

Finding the Fourth Proportional to 3,943.10, 5,918.75 and 2,904.28

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Solution

The fourth proportional to 3,943.10, 5,918.75 and 2,904.28 is: 4,359.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.10 : 5,918.75 = 2,904.28 : x
  2. Step 2: Convert to fraction form
    3,943.10/5,918.75 = 2,904.28/x
  3. Step 3: Cross multiply
    3,943.10x = 5,918.75 × 2,904.28
  4. Step 4: Simplify right side
    3,943.10x = 17,189,699.71
  5. Step 5: Solve for x
    x = 17,189,699.71/3,943.10
  6. Step 6: Final answer
    x = 4,359.44

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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.