Home / 3,118.29-4,303.15-2,054.76

Finding the Fourth Proportional to 3,118.29, 4,303.15 and 2,054.76

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Solution

The fourth proportional to 3,118.29, 4,303.15 and 2,054.76 is: 2,835.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.29 : 4,303.15 = 2,054.76 : x
  2. Step 2: Convert to fraction form
    3,118.29/4,303.15 = 2,054.76/x
  3. Step 3: Cross multiply
    3,118.29x = 4,303.15 × 2,054.76
  4. Step 4: Simplify right side
    3,118.29x = 8,841,940.49
  5. Step 5: Solve for x
    x = 8,841,940.49/3,118.29
  6. Step 6: Final answer
    x = 2,835.51

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Half scale
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Double 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.