Home / 1,712.67-2,555.55-1,608.18

Finding the Fourth Proportional to 1,712.67, 2,555.55 and 1,608.18

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Solution

The fourth proportional to 1,712.67, 2,555.55 and 1,608.18 is: 2,399.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.67 : 2,555.55 = 1,608.18 : x
  2. Step 2: Convert to fraction form
    1,712.67/2,555.55 = 1,608.18/x
  3. Step 3: Cross multiply
    1,712.67x = 2,555.55 × 1,608.18
  4. Step 4: Simplify right side
    1,712.67x = 4,109,784.40
  5. Step 5: Solve for x
    x = 4,109,784.40/1,712.67
  6. Step 6: Final answer
    x = 2,399.64

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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.