Home / 4,084.32-5,637.65-2,405.61

Finding the Fourth Proportional to 4,084.32, 5,637.65 and 2,405.61

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Solution

The fourth proportional to 4,084.32, 5,637.65 and 2,405.61 is: 3,320.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084.32 : 5,637.65 = 2,405.61 : x
  2. Step 2: Convert to fraction form
    4,084.32/5,637.65 = 2,405.61/x
  3. Step 3: Cross multiply
    4,084.32x = 5,637.65 × 2,405.61
  4. Step 4: Simplify right side
    4,084.32x = 13,561,975.19
  5. Step 5: Solve for x
    x = 13,561,975.19/4,084.32
  6. Step 6: Final answer
    x = 3,320.50

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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.