Home / 3,217.51-4,821.54-1,436.41

Finding the Fourth Proportional to 3,217.51, 4,821.54 and 1,436.41

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Solution

The fourth proportional to 3,217.51, 4,821.54 and 1,436.41 is: 2,152.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.51 : 4,821.54 = 1,436.41 : x
  2. Step 2: Convert to fraction form
    3,217.51/4,821.54 = 1,436.41/x
  3. Step 3: Cross multiply
    3,217.51x = 4,821.54 × 1,436.41
  4. Step 4: Simplify right side
    3,217.51x = 6,925,708.27
  5. Step 5: Solve for x
    x = 6,925,708.27/3,217.51
  6. Step 6: Final answer
    x = 2,152.51

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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.