Home / 2,060.40-3,090.60-579.62

Finding the Fourth Proportional to 2,060.40, 3,090.60 and 579.62

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Solution

The fourth proportional to 2,060.40, 3,090.60 and 579.62 is: 869.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,060.40 : 3,090.60 = 579.62 : x
  2. Step 2: Convert to fraction form
    2,060.40/3,090.60 = 579.62/x
  3. Step 3: Cross multiply
    2,060.40x = 3,090.60 × 579.62
  4. Step 4: Simplify right side
    2,060.40x = 1,791,373.57
  5. Step 5: Solve for x
    x = 1,791,373.57/2,060.40
  6. Step 6: Final answer
    x = 869.43

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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.