Home / 1,760.73-2,427.56-1,130.12

Finding the Fourth Proportional to 1,760.73, 2,427.56 and 1,130.12

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Solution

The fourth proportional to 1,760.73, 2,427.56 and 1,130.12 is: 1,558.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.73 : 2,427.56 = 1,130.12 : x
  2. Step 2: Convert to fraction form
    1,760.73/2,427.56 = 1,130.12/x
  3. Step 3: Cross multiply
    1,760.73x = 2,427.56 × 1,130.12
  4. Step 4: Simplify right side
    1,760.73x = 2,743,416.32
  5. Step 5: Solve for x
    x = 2,743,416.32/1,760.73
  6. Step 6: Final answer
    x = 1,558.11

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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.