Home / 2,699.16-4,043.43-2,405.28

Finding the Fourth Proportional to 2,699.16, 4,043.43 and 2,405.28

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Solution

The fourth proportional to 2,699.16, 4,043.43 and 2,405.28 is: 3,603.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,699.16 : 4,043.43 = 2,405.28 : x
  2. Step 2: Convert to fraction form
    2,699.16/4,043.43 = 2,405.28/x
  3. Step 3: Cross multiply
    2,699.16x = 4,043.43 × 2,405.28
  4. Step 4: Simplify right side
    2,699.16x = 9,725,581.31
  5. Step 5: Solve for x
    x = 9,725,581.31/2,699.16
  6. Step 6: Final answer
    x = 3,603.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.