Home / 2,313.26-3,192.30-1,265.32

Finding the Fourth Proportional to 2,313.26, 3,192.30 and 1,265.32

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Solution

The fourth proportional to 2,313.26, 3,192.30 and 1,265.32 is: 1,746.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.26 : 3,192.30 = 1,265.32 : x
  2. Step 2: Convert to fraction form
    2,313.26/3,192.30 = 1,265.32/x
  3. Step 3: Cross multiply
    2,313.26x = 3,192.30 × 1,265.32
  4. Step 4: Simplify right side
    2,313.26x = 4,039,281.04
  5. Step 5: Solve for x
    x = 4,039,281.04/2,313.26
  6. Step 6: Final answer
    x = 1,746.14

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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.