Home / 3,608.40-5,409.90-2,307.36

Finding the Fourth Proportional to 3,608.40, 5,409.90 and 2,307.36

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Solution

The fourth proportional to 3,608.40, 5,409.90 and 2,307.36 is: 3,459.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.40 : 5,409.90 = 2,307.36 : x
  2. Step 2: Convert to fraction form
    3,608.40/5,409.90 = 2,307.36/x
  3. Step 3: Cross multiply
    3,608.40x = 5,409.90 × 2,307.36
  4. Step 4: Simplify right side
    3,608.40x = 12,482,586.86
  5. Step 5: Solve for x
    x = 12,482,586.86/3,608.40
  6. Step 6: Final answer
    x = 3,459.31

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1.5x scale

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.