Home / 2,330.19-3,214.62-1,490.76

Finding the Fourth Proportional to 2,330.19, 3,214.62 and 1,490.76

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Solution

The fourth proportional to 2,330.19, 3,214.62 and 1,490.76 is: 2,056.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330.19 : 3,214.62 = 1,490.76 : x
  2. Step 2: Convert to fraction form
    2,330.19/3,214.62 = 1,490.76/x
  3. Step 3: Cross multiply
    2,330.19x = 3,214.62 × 1,490.76
  4. Step 4: Simplify right side
    2,330.19x = 4,792,226.91
  5. Step 5: Solve for x
    x = 4,792,226.91/2,330.19
  6. Step 6: Final answer
    x = 2,056.58

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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.