Home / 2,313.10-3,192.08-1,318.42

Finding the Fourth Proportional to 2,313.10, 3,192.08 and 1,318.42

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Solution

The fourth proportional to 2,313.10, 3,192.08 and 1,318.42 is: 1,819.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.10 : 3,192.08 = 1,318.42 : x
  2. Step 2: Convert to fraction form
    2,313.10/3,192.08 = 1,318.42/x
  3. Step 3: Cross multiply
    2,313.10x = 3,192.08 × 1,318.42
  4. Step 4: Simplify right side
    2,313.10x = 4,208,502.11
  5. Step 5: Solve for x
    x = 4,208,502.11/2,313.10
  6. Step 6: Final answer
    x = 1,819.42

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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.