Home / 2,100.36-3,150.52-1,001.40

Finding the Fourth Proportional to 2,100.36, 3,150.52 and 1,001.40

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Solution

The fourth proportional to 2,100.36, 3,150.52 and 1,001.40 is: 1,502.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100.36 : 3,150.52 = 1,001.40 : x
  2. Step 2: Convert to fraction form
    2,100.36/3,150.52 = 1,001.40/x
  3. Step 3: Cross multiply
    2,100.36x = 3,150.52 × 1,001.40
  4. Step 4: Simplify right side
    2,100.36x = 3,154,930.73
  5. Step 5: Solve for x
    x = 3,154,930.73/2,100.36
  6. Step 6: Final answer
    x = 1,502.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.