Home / 2,003.47-3,005.20-1,314.50

Finding the Fourth Proportional to 2,003.47, 3,005.20 and 1,314.50

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Solution

The fourth proportional to 2,003.47, 3,005.20 and 1,314.50 is: 1,971.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,003.47 : 3,005.20 = 1,314.50 : x
  2. Step 2: Convert to fraction form
    2,003.47/3,005.20 = 1,314.50/x
  3. Step 3: Cross multiply
    2,003.47x = 3,005.20 × 1,314.50
  4. Step 4: Simplify right side
    2,003.47x = 3,950,322.02
  5. Step 5: Solve for x
    x = 3,950,322.02/2,003.47
  6. Step 6: Final answer
    x = 1,971.74

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.