Home / 2,130.04-2,939.46-1,198.60

Finding the Fourth Proportional to 2,130.04, 2,939.46 and 1,198.60

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Solution

The fourth proportional to 2,130.04, 2,939.46 and 1,198.60 is: 1,654.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130.04 : 2,939.46 = 1,198.60 : x
  2. Step 2: Convert to fraction form
    2,130.04/2,939.46 = 1,198.60/x
  3. Step 3: Cross multiply
    2,130.04x = 2,939.46 × 1,198.60
  4. Step 4: Simplify right side
    2,130.04x = 3,523,236.76
  5. Step 5: Solve for x
    x = 3,523,236.76/2,130.04
  6. Step 6: Final answer
    x = 1,654.07

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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.