Home / 3,484.58-4,808.50-1,912.66

Finding the Fourth Proportional to 3,484.58, 4,808.50 and 1,912.66

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Solution

The fourth proportional to 3,484.58, 4,808.50 and 1,912.66 is: 2,639.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,484.58 : 4,808.50 = 1,912.66 : x
  2. Step 2: Convert to fraction form
    3,484.58/4,808.50 = 1,912.66/x
  3. Step 3: Cross multiply
    3,484.58x = 4,808.50 × 1,912.66
  4. Step 4: Simplify right side
    3,484.58x = 9,197,008.81
  5. Step 5: Solve for x
    x = 9,197,008.81/3,484.58
  6. Step 6: Final answer
    x = 2,639.35

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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.