Home / 1,766.06-2,438.04-1,103.28

Finding the Fourth Proportional to 1,766.06, 2,438.04 and 1,103.28

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Solution

The fourth proportional to 1,766.06, 2,438.04 and 1,103.28 is: 1,523.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766.06 : 2,438.04 = 1,103.28 : x
  2. Step 2: Convert to fraction form
    1,766.06/2,438.04 = 1,103.28/x
  3. Step 3: Cross multiply
    1,766.06x = 2,438.04 × 1,103.28
  4. Step 4: Simplify right side
    1,766.06x = 2,689,840.77
  5. Step 5: Solve for x
    x = 2,689,840.77/1,766.06
  6. Step 6: Final answer
    x = 1,523.07

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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.