Home / 2,025.63-2,795.11-1,129.15

Finding the Fourth Proportional to 2,025.63, 2,795.11 and 1,129.15

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Solution

The fourth proportional to 2,025.63, 2,795.11 and 1,129.15 is: 1,558.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.63 : 2,795.11 = 1,129.15 : x
  2. Step 2: Convert to fraction form
    2,025.63/2,795.11 = 1,129.15/x
  3. Step 3: Cross multiply
    2,025.63x = 2,795.11 × 1,129.15
  4. Step 4: Simplify right side
    2,025.63x = 3,156,098.41
  5. Step 5: Solve for x
    x = 3,156,098.41/2,025.63
  6. Step 6: Final answer
    x = 1,558.08

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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.