Home / 2,313.71-3,192.95-1,265.84

Finding the Fourth Proportional to 2,313.71, 3,192.95 and 1,265.84

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Solution

The fourth proportional to 2,313.71, 3,192.95 and 1,265.84 is: 1,746.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.71 : 3,192.95 = 1,265.84 : x
  2. Step 2: Convert to fraction form
    2,313.71/3,192.95 = 1,265.84/x
  3. Step 3: Cross multiply
    2,313.71x = 3,192.95 × 1,265.84
  4. Step 4: Simplify right side
    2,313.71x = 4,041,763.83
  5. Step 5: Solve for x
    x = 4,041,763.83/2,313.71
  6. Step 6: Final answer
    x = 1,746.88

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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.