Home / 3,140.42-4,712.16-1,266.23

Finding the Fourth Proportional to 3,140.42, 4,712.16 and 1,266.23

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Solution

The fourth proportional to 3,140.42, 4,712.16 and 1,266.23 is: 1,899.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.42 : 4,712.16 = 1,266.23 : x
  2. Step 2: Convert to fraction form
    3,140.42/4,712.16 = 1,266.23/x
  3. Step 3: Cross multiply
    3,140.42x = 4,712.16 × 1,266.23
  4. Step 4: Simplify right side
    3,140.42x = 5,966,654.80
  5. Step 5: Solve for x
    x = 5,966,654.80/3,140.42
  6. Step 6: Final answer
    x = 1,899.96

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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.