Home / 3,811.10-5,254.14-2,675.22

Finding the Fourth Proportional to 3,811.10, 5,254.14 and 2,675.22

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Solution

The fourth proportional to 3,811.10, 5,254.14 and 2,675.22 is: 3,688.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.10 : 5,254.14 = 2,675.22 : x
  2. Step 2: Convert to fraction form
    3,811.10/5,254.14 = 2,675.22/x
  3. Step 3: Cross multiply
    3,811.10x = 5,254.14 × 2,675.22
  4. Step 4: Simplify right side
    3,811.10x = 14,055,980.41
  5. Step 5: Solve for x
    x = 14,055,980.41/3,811.10
  6. Step 6: Final answer
    x = 3,688.17

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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.