Home / 3,405.09-4,699.12-2,397.12

Finding the Fourth Proportional to 3,405.09, 4,699.12 and 2,397.12

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Solution

The fourth proportional to 3,405.09, 4,699.12 and 2,397.12 is: 3,308.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.09 : 4,699.12 = 2,397.12 : x
  2. Step 2: Convert to fraction form
    3,405.09/4,699.12 = 2,397.12/x
  3. Step 3: Cross multiply
    3,405.09x = 4,699.12 × 2,397.12
  4. Step 4: Simplify right side
    3,405.09x = 11,264,335.41
  5. Step 5: Solve for x
    x = 11,264,335.41/3,405.09
  6. Step 6: Final answer
    x = 3,308.09

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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.