Home / 1,982.32-2,984.40-1,752.48

Finding the Fourth Proportional to 1,982.32, 2,984.40 and 1,752.48

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Solution

The fourth proportional to 1,982.32, 2,984.40 and 1,752.48 is: 2,638.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982.32 : 2,984.40 = 1,752.48 : x
  2. Step 2: Convert to fraction form
    1,982.32/2,984.40 = 1,752.48/x
  3. Step 3: Cross multiply
    1,982.32x = 2,984.40 × 1,752.48
  4. Step 4: Simplify right side
    1,982.32x = 5,230,101.31
  5. Step 5: Solve for x
    x = 5,230,101.31/1,982.32
  6. Step 6: Final answer
    x = 2,638.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.