Home / 3,434.87-4,740.41-1,943.06

Finding the Fourth Proportional to 3,434.87, 4,740.41 and 1,943.06

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Solution

The fourth proportional to 3,434.87, 4,740.41 and 1,943.06 is: 2,681.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.87 : 4,740.41 = 1,943.06 : x
  2. Step 2: Convert to fraction form
    3,434.87/4,740.41 = 1,943.06/x
  3. Step 3: Cross multiply
    3,434.87x = 4,740.41 × 1,943.06
  4. Step 4: Simplify right side
    3,434.87x = 9,210,882.21
  5. Step 5: Solve for x
    x = 9,210,882.21/3,434.87
  6. Step 6: Final answer
    x = 2,681.58

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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.