Home / 2,313.90-3,193.04-1,265.76

Finding the Fourth Proportional to 2,313.90, 3,193.04 and 1,265.76

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Solution

The fourth proportional to 2,313.90, 3,193.04 and 1,265.76 is: 1,746.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.90 : 3,193.04 = 1,265.76 : x
  2. Step 2: Convert to fraction form
    2,313.90/3,193.04 = 1,265.76/x
  3. Step 3: Cross multiply
    2,313.90x = 3,193.04 × 1,265.76
  4. Step 4: Simplify right side
    2,313.90x = 4,041,622.31
  5. Step 5: Solve for x
    x = 4,041,622.31/2,313.90
  6. Step 6: Final answer
    x = 1,746.67

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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.