Home / 2,025.63-2,795.58-1,240.20

Finding the Fourth Proportional to 2,025.63, 2,795.58 and 1,240.20

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Solution

The fourth proportional to 2,025.63, 2,795.58 and 1,240.20 is: 1,711.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.63 : 2,795.58 = 1,240.20 : x
  2. Step 2: Convert to fraction form
    2,025.63/2,795.58 = 1,240.20/x
  3. Step 3: Cross multiply
    2,025.63x = 2,795.58 × 1,240.20
  4. Step 4: Simplify right side
    2,025.63x = 3,467,078.32
  5. Step 5: Solve for x
    x = 3,467,078.32/2,025.63
  6. Step 6: Final answer
    x = 1,711.60

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Half scale
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Double scale
Find fourth proportional to 2,026.63, 2,796.96 and 1,241.20
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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.