Home / 2,293.63-3,165.27-1,245.76

Finding the Fourth Proportional to 2,293.63, 3,165.27 and 1,245.76

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Solution

The fourth proportional to 2,293.63, 3,165.27 and 1,245.76 is: 1,719.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.63 : 3,165.27 = 1,245.76 : x
  2. Step 2: Convert to fraction form
    2,293.63/3,165.27 = 1,245.76/x
  3. Step 3: Cross multiply
    2,293.63x = 3,165.27 × 1,245.76
  4. Step 4: Simplify right side
    2,293.63x = 3,943,166.76
  5. Step 5: Solve for x
    x = 3,943,166.76/2,293.63
  6. Step 6: Final answer
    x = 1,719.18

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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.