Home / 3,484.08-4,808.16-1,912.23

Finding the Fourth Proportional to 3,484.08, 4,808.16 and 1,912.23

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Solution

The fourth proportional to 3,484.08, 4,808.16 and 1,912.23 is: 2,638.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,484.08 : 4,808.16 = 1,912.23 : x
  2. Step 2: Convert to fraction form
    3,484.08/4,808.16 = 1,912.23/x
  3. Step 3: Cross multiply
    3,484.08x = 4,808.16 × 1,912.23
  4. Step 4: Simplify right side
    3,484.08x = 9,194,307.80
  5. Step 5: Solve for x
    x = 9,194,307.80/3,484.08
  6. Step 6: Final answer
    x = 2,638.95

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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.