Home / 4,087.75-5,641.60-2,409.31

Finding the Fourth Proportional to 4,087.75, 5,641.60 and 2,409.31

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Solution

The fourth proportional to 4,087.75, 5,641.60 and 2,409.31 is: 3,325.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.75 : 5,641.60 = 2,409.31 : x
  2. Step 2: Convert to fraction form
    4,087.75/5,641.60 = 2,409.31/x
  3. Step 3: Cross multiply
    4,087.75x = 5,641.60 × 2,409.31
  4. Step 4: Simplify right side
    4,087.75x = 13,592,368.84
  5. Step 5: Solve for x
    x = 13,592,368.84/4,087.75
  6. Step 6: Final answer
    x = 3,325.15

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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.