Home / 3,409.26-4,699.42-3,123.24

Finding the Fourth Proportional to 3,409.26, 4,699.42 and 3,123.24

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Solution

The fourth proportional to 3,409.26, 4,699.42 and 3,123.24 is: 4,305.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.26 : 4,699.42 = 3,123.24 : x
  2. Step 2: Convert to fraction form
    3,409.26/4,699.42 = 3,123.24/x
  3. Step 3: Cross multiply
    3,409.26x = 4,699.42 × 3,123.24
  4. Step 4: Simplify right side
    3,409.26x = 14,677,426.31
  5. Step 5: Solve for x
    x = 14,677,426.31/3,409.26
  6. Step 6: Final answer
    x = 4,305.16

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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.