Home / 2,313.80-3,193.04-1,319.14

Finding the Fourth Proportional to 2,313.80, 3,193.04 and 1,319.14

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Solution

The fourth proportional to 2,313.80, 3,193.04 and 1,319.14 is: 1,820.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.80 : 3,193.04 = 1,319.14 : x
  2. Step 2: Convert to fraction form
    2,313.80/3,193.04 = 1,319.14/x
  3. Step 3: Cross multiply
    2,313.80x = 3,193.04 × 1,319.14
  4. Step 4: Simplify right side
    2,313.80x = 4,212,066.79
  5. Step 5: Solve for x
    x = 4,212,066.79/2,313.80
  6. Step 6: Final answer
    x = 1,820.41

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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.