Home / 3,435.50-4,740.99-1,943.39

Finding the Fourth Proportional to 3,435.50, 4,740.99 and 1,943.39

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Solution

The fourth proportional to 3,435.50, 4,740.99 and 1,943.39 is: 2,681.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.50 : 4,740.99 = 1,943.39 : x
  2. Step 2: Convert to fraction form
    3,435.50/4,740.99 = 1,943.39/x
  3. Step 3: Cross multiply
    3,435.50x = 4,740.99 × 1,943.39
  4. Step 4: Simplify right side
    3,435.50x = 9,213,568.85
  5. Step 5: Solve for x
    x = 9,213,568.85/3,435.50
  6. Step 6: Final answer
    x = 2,681.87

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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.