Home / 2,240.40-3,089.96-1,654.80

Finding the Fourth Proportional to 2,240.40, 3,089.96 and 1,654.80

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Solution

The fourth proportional to 2,240.40, 3,089.96 and 1,654.80 is: 2,282.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.40 : 3,089.96 = 1,654.80 : x
  2. Step 2: Convert to fraction form
    2,240.40/3,089.96 = 1,654.80/x
  3. Step 3: Cross multiply
    2,240.40x = 3,089.96 × 1,654.80
  4. Step 4: Simplify right side
    2,240.40x = 5,113,265.81
  5. Step 5: Solve for x
    x = 5,113,265.81/2,240.40
  6. Step 6: Final answer
    x = 2,282.30

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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.