Home / 3,416.94-5,125.86-1,225.50

Finding the Fourth Proportional to 3,416.94, 5,125.86 and 1,225.50

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Solution

The fourth proportional to 3,416.94, 5,125.86 and 1,225.50 is: 1,838.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.94 : 5,125.86 = 1,225.50 : x
  2. Step 2: Convert to fraction form
    3,416.94/5,125.86 = 1,225.50/x
  3. Step 3: Cross multiply
    3,416.94x = 5,125.86 × 1,225.50
  4. Step 4: Simplify right side
    3,416.94x = 6,281,741.43
  5. Step 5: Solve for x
    x = 6,281,741.43/3,416.94
  6. Step 6: Final answer
    x = 1,838.41

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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.