Home / 1,707.08-2,555.15-1,213.18

Finding the Fourth Proportional to 1,707.08, 2,555.15 and 1,213.18

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Solution

The fourth proportional to 1,707.08, 2,555.15 and 1,213.18 is: 1,815.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707.08 : 2,555.15 = 1,213.18 : x
  2. Step 2: Convert to fraction form
    1,707.08/2,555.15 = 1,213.18/x
  3. Step 3: Cross multiply
    1,707.08x = 2,555.15 × 1,213.18
  4. Step 4: Simplify right side
    1,707.08x = 3,099,844.42
  5. Step 5: Solve for x
    x = 3,099,844.42/1,707.08
  6. Step 6: Final answer
    x = 1,815.88

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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.