Home / 3,484.41-4,808.48-1,912.55

Finding the Fourth Proportional to 3,484.41, 4,808.48 and 1,912.55

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Solution

The fourth proportional to 3,484.41, 4,808.48 and 1,912.55 is: 2,639.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,484.41 : 4,808.48 = 1,912.55 : x
  2. Step 2: Convert to fraction form
    3,484.41/4,808.48 = 1,912.55/x
  3. Step 3: Cross multiply
    3,484.41x = 4,808.48 × 1,912.55
  4. Step 4: Simplify right side
    3,484.41x = 9,196,424.82
  5. Step 5: Solve for x
    x = 9,196,424.82/3,484.41
  6. Step 6: Final answer
    x = 2,639.31

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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.