Home / 2,886.74-3,983.48-1,707.58

Finding the Fourth Proportional to 2,886.74, 3,983.48 and 1,707.58

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Solution

The fourth proportional to 2,886.74, 3,983.48 and 1,707.58 is: 2,356.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.74 : 3,983.48 = 1,707.58 : x
  2. Step 2: Convert to fraction form
    2,886.74/3,983.48 = 1,707.58/x
  3. Step 3: Cross multiply
    2,886.74x = 3,983.48 × 1,707.58
  4. Step 4: Simplify right side
    2,886.74x = 6,802,110.78
  5. Step 5: Solve for x
    x = 6,802,110.78/2,886.74
  6. Step 6: Final answer
    x = 2,356.33

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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.