Home / 2,313.77-3,192.99-1,265.84

Finding the Fourth Proportional to 2,313.77, 3,192.99 and 1,265.84

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Solution

The fourth proportional to 2,313.77, 3,192.99 and 1,265.84 is: 1,746.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.77 : 3,192.99 = 1,265.84 : x
  2. Step 2: Convert to fraction form
    2,313.77/3,192.99 = 1,265.84/x
  3. Step 3: Cross multiply
    2,313.77x = 3,192.99 × 1,265.84
  4. Step 4: Simplify right side
    2,313.77x = 4,041,814.46
  5. Step 5: Solve for x
    x = 4,041,814.46/2,313.77
  6. Step 6: Final answer
    x = 1,746.85

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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.