Home / 1,799.06-2,684.60-1,615.20

Finding the Fourth Proportional to 1,799.06, 2,684.60 and 1,615.20

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Solution

The fourth proportional to 1,799.06, 2,684.60 and 1,615.20 is: 2,410.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,799.06 : 2,684.60 = 1,615.20 : x
  2. Step 2: Convert to fraction form
    1,799.06/2,684.60 = 1,615.20/x
  3. Step 3: Cross multiply
    1,799.06x = 2,684.60 × 1,615.20
  4. Step 4: Simplify right side
    1,799.06x = 4,336,165.92
  5. Step 5: Solve for x
    x = 4,336,165.92/1,799.06
  6. Step 6: Final answer
    x = 2,410.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.