Home / 3,127.56-4,316.03-1,711.23

Finding the Fourth Proportional to 3,127.56, 4,316.03 and 1,711.23

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Solution

The fourth proportional to 3,127.56, 4,316.03 and 1,711.23 is: 2,361.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.56 : 4,316.03 = 1,711.23 : x
  2. Step 2: Convert to fraction form
    3,127.56/4,316.03 = 1,711.23/x
  3. Step 3: Cross multiply
    3,127.56x = 4,316.03 × 1,711.23
  4. Step 4: Simplify right side
    3,127.56x = 7,385,711.32
  5. Step 5: Solve for x
    x = 7,385,711.32/3,127.56
  6. Step 6: Final answer
    x = 2,361.49

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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.