Home / 1,928.92-2,655.14-1,707.48

Finding the Fourth Proportional to 1,928.92, 2,655.14 and 1,707.48

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Solution

The fourth proportional to 1,928.92, 2,655.14 and 1,707.48 is: 2,350.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928.92 : 2,655.14 = 1,707.48 : x
  2. Step 2: Convert to fraction form
    1,928.92/2,655.14 = 1,707.48/x
  3. Step 3: Cross multiply
    1,928.92x = 2,655.14 × 1,707.48
  4. Step 4: Simplify right side
    1,928.92x = 4,533,598.45
  5. Step 5: Solve for x
    x = 4,533,598.45/1,928.92
  6. Step 6: Final answer
    x = 2,350.33

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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.