Home / 2,340.87-3,230.06-1,346.19

Finding the Fourth Proportional to 2,340.87, 3,230.06 and 1,346.19

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Solution

The fourth proportional to 2,340.87, 3,230.06 and 1,346.19 is: 1,857.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340.87 : 3,230.06 = 1,346.19 : x
  2. Step 2: Convert to fraction form
    2,340.87/3,230.06 = 1,346.19/x
  3. Step 3: Cross multiply
    2,340.87x = 3,230.06 × 1,346.19
  4. Step 4: Simplify right side
    2,340.87x = 4,348,267.74
  5. Step 5: Solve for x
    x = 4,348,267.74/2,340.87
  6. Step 6: Final answer
    x = 1,857.54

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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.