Home / 1,346.62-1,856.24-1,110.20

Finding the Fourth Proportional to 1,346.62, 1,856.24 and 1,110.20

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Solution

The fourth proportional to 1,346.62, 1,856.24 and 1,110.20 is: 1,530.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346.62 : 1,856.24 = 1,110.20 : x
  2. Step 2: Convert to fraction form
    1,346.62/1,856.24 = 1,110.20/x
  3. Step 3: Cross multiply
    1,346.62x = 1,856.24 × 1,110.20
  4. Step 4: Simplify right side
    1,346.62x = 2,060,787.87
  5. Step 5: Solve for x
    x = 2,060,787.87/1,346.62
  6. Step 6: Final answer
    x = 1,530.34

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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.