Home / 2,031.68-2,803.26-1,234.76

Finding the Fourth Proportional to 2,031.68, 2,803.26 and 1,234.76

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Solution

The fourth proportional to 2,031.68, 2,803.26 and 1,234.76 is: 1,703.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.68 : 2,803.26 = 1,234.76 : x
  2. Step 2: Convert to fraction form
    2,031.68/2,803.26 = 1,234.76/x
  3. Step 3: Cross multiply
    2,031.68x = 2,803.26 × 1,234.76
  4. Step 4: Simplify right side
    2,031.68x = 3,461,353.32
  5. Step 5: Solve for x
    x = 3,461,353.32/2,031.68
  6. Step 6: Final answer
    x = 1,703.69

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Half scale
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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.