Home / 2,767.40-4,148.04-1,123.46

Finding the Fourth Proportional to 2,767.40, 4,148.04 and 1,123.46

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Solution

The fourth proportional to 2,767.40, 4,148.04 and 1,123.46 is: 1,683.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.40 : 4,148.04 = 1,123.46 : x
  2. Step 2: Convert to fraction form
    2,767.40/4,148.04 = 1,123.46/x
  3. Step 3: Cross multiply
    2,767.40x = 4,148.04 × 1,123.46
  4. Step 4: Simplify right side
    2,767.40x = 4,660,157.02
  5. Step 5: Solve for x
    x = 4,660,157.02/2,767.40
  6. Step 6: Final answer
    x = 1,683.95

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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.