Home / 2,313.61-3,192.82-1,265.67

Finding the Fourth Proportional to 2,313.61, 3,192.82 and 1,265.67

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Solution

The fourth proportional to 2,313.61, 3,192.82 and 1,265.67 is: 1,746.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.61 : 3,192.82 = 1,265.67 : x
  2. Step 2: Convert to fraction form
    2,313.61/3,192.82 = 1,265.67/x
  3. Step 3: Cross multiply
    2,313.61x = 3,192.82 × 1,265.67
  4. Step 4: Simplify right side
    2,313.61x = 4,041,053.33
  5. Step 5: Solve for x
    x = 4,041,053.33/2,313.61
  6. Step 6: Final answer
    x = 1,746.65

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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.