Home / 2,330.36-3,214.82-1,490.64

Finding the Fourth Proportional to 2,330.36, 3,214.82 and 1,490.64

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Solution

The fourth proportional to 2,330.36, 3,214.82 and 1,490.64 is: 2,056.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330.36 : 3,214.82 = 1,490.64 : x
  2. Step 2: Convert to fraction form
    2,330.36/3,214.82 = 1,490.64/x
  3. Step 3: Cross multiply
    2,330.36x = 3,214.82 × 1,490.64
  4. Step 4: Simplify right side
    2,330.36x = 4,792,139.28
  5. Step 5: Solve for x
    x = 4,792,139.28/2,330.36
  6. Step 6: Final answer
    x = 2,056.39

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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.