Home / 2,312.14-3,191.12-1,473.22

Finding the Fourth Proportional to 2,312.14, 3,191.12 and 1,473.22

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Solution

The fourth proportional to 2,312.14, 3,191.12 and 1,473.22 is: 2,033.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312.14 : 3,191.12 = 1,473.22 : x
  2. Step 2: Convert to fraction form
    2,312.14/3,191.12 = 1,473.22/x
  3. Step 3: Cross multiply
    2,312.14x = 3,191.12 × 1,473.22
  4. Step 4: Simplify right side
    2,312.14x = 4,701,221.81
  5. Step 5: Solve for x
    x = 4,701,221.81/2,312.14
  6. Step 6: Final answer
    x = 2,033.28

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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.