Home / 1,708.04-2,357.54-1,078.92

Finding the Fourth Proportional to 1,708.04, 2,357.54 and 1,078.92

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Solution

The fourth proportional to 1,708.04, 2,357.54 and 1,078.92 is: 1,489.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.04 : 2,357.54 = 1,078.92 : x
  2. Step 2: Convert to fraction form
    1,708.04/2,357.54 = 1,078.92/x
  3. Step 3: Cross multiply
    1,708.04x = 2,357.54 × 1,078.92
  4. Step 4: Simplify right side
    1,708.04x = 2,543,597.06
  5. Step 5: Solve for x
    x = 2,543,597.06/1,708.04
  6. Step 6: Final answer
    x = 1,489.19

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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.