Home / 2,171.34-2,996.23-1,214.07

Finding the Fourth Proportional to 2,171.34, 2,996.23 and 1,214.07

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Solution

The fourth proportional to 2,171.34, 2,996.23 and 1,214.07 is: 1,675.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.34 : 2,996.23 = 1,214.07 : x
  2. Step 2: Convert to fraction form
    2,171.34/2,996.23 = 1,214.07/x
  3. Step 3: Cross multiply
    2,171.34x = 2,996.23 × 1,214.07
  4. Step 4: Simplify right side
    2,171.34x = 3,637,632.96
  5. Step 5: Solve for x
    x = 3,637,632.96/2,171.34
  6. Step 6: Final answer
    x = 1,675.29

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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.