Home / 3,478.51-4,802.58-3,104.85

Finding the Fourth Proportional to 3,478.51, 4,802.58 and 3,104.85

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Solution

The fourth proportional to 3,478.51, 4,802.58 and 3,104.85 is: 4,286.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478.51 : 4,802.58 = 3,104.85 : x
  2. Step 2: Convert to fraction form
    3,478.51/4,802.58 = 3,104.85/x
  3. Step 3: Cross multiply
    3,478.51x = 4,802.58 × 3,104.85
  4. Step 4: Simplify right side
    3,478.51x = 14,911,274.99
  5. Step 5: Solve for x
    x = 14,911,274.99/3,478.51
  6. Step 6: Final answer
    x = 4,286.69

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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.