Home / 1,982.60-2,735.13-1,196.20

Finding the Fourth Proportional to 1,982.60, 2,735.13 and 1,196.20

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Solution

The fourth proportional to 1,982.60, 2,735.13 and 1,196.20 is: 1,650.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982.60 : 2,735.13 = 1,196.20 : x
  2. Step 2: Convert to fraction form
    1,982.60/2,735.13 = 1,196.20/x
  3. Step 3: Cross multiply
    1,982.60x = 2,735.13 × 1,196.20
  4. Step 4: Simplify right side
    1,982.60x = 3,271,762.51
  5. Step 5: Solve for x
    x = 3,271,762.51/1,982.60
  6. Step 6: Final answer
    x = 1,650.24

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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.