Home / 3,623.15-5,435.13-1,314.11

Finding the Fourth Proportional to 3,623.15, 5,435.13 and 1,314.11

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Solution

The fourth proportional to 3,623.15, 5,435.13 and 1,314.11 is: 1,971.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.15 : 5,435.13 = 1,314.11 : x
  2. Step 2: Convert to fraction form
    3,623.15/5,435.13 = 1,314.11/x
  3. Step 3: Cross multiply
    3,623.15x = 5,435.13 × 1,314.11
  4. Step 4: Simplify right side
    3,623.15x = 7,142,358.68
  5. Step 5: Solve for x
    x = 7,142,358.68/3,623.15
  6. Step 6: Final answer
    x = 1,971.31

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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.