Home / 3,435.07-4,740.42-1,863.19

Finding the Fourth Proportional to 3,435.07, 4,740.42 and 1,863.19

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Solution

The fourth proportional to 3,435.07, 4,740.42 and 1,863.19 is: 2,571.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.07 : 4,740.42 = 1,863.19 : x
  2. Step 2: Convert to fraction form
    3,435.07/4,740.42 = 1,863.19/x
  3. Step 3: Cross multiply
    3,435.07x = 4,740.42 × 1,863.19
  4. Step 4: Simplify right side
    3,435.07x = 8,832,303.14
  5. Step 5: Solve for x
    x = 8,832,303.14/3,435.07
  6. Step 6: Final answer
    x = 2,571.21

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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.