Home / 2,312.11-3,191.08-1,473.19

Finding the Fourth Proportional to 2,312.11, 3,191.08 and 1,473.19

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Solution

The fourth proportional to 2,312.11, 3,191.08 and 1,473.19 is: 2,033.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312.11 : 3,191.08 = 1,473.19 : x
  2. Step 2: Convert to fraction form
    2,312.11/3,191.08 = 1,473.19/x
  3. Step 3: Cross multiply
    2,312.11x = 3,191.08 × 1,473.19
  4. Step 4: Simplify right side
    2,312.11x = 4,701,058.25
  5. Step 5: Solve for x
    x = 4,701,058.25/2,312.11
  6. Step 6: Final answer
    x = 2,033.23

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Double scale
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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.