Home / 2,313.48-3,192.52-1,381.80

Finding the Fourth Proportional to 2,313.48, 3,192.52 and 1,381.80

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Solution

The fourth proportional to 2,313.48, 3,192.52 and 1,381.80 is: 1,906.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.48 : 3,192.52 = 1,381.80 : x
  2. Step 2: Convert to fraction form
    2,313.48/3,192.52 = 1,381.80/x
  3. Step 3: Cross multiply
    2,313.48x = 3,192.52 × 1,381.80
  4. Step 4: Simplify right side
    2,313.48x = 4,411,424.14
  5. Step 5: Solve for x
    x = 4,411,424.14/2,313.48
  6. Step 6: Final answer
    x = 1,906.83

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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.