Home / 2,858.16-3,943.98-1,679.52

Finding the Fourth Proportional to 2,858.16, 3,943.98 and 1,679.52

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Solution

The fourth proportional to 2,858.16, 3,943.98 and 1,679.52 is: 2,317.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.16 : 3,943.98 = 1,679.52 : x
  2. Step 2: Convert to fraction form
    2,858.16/3,943.98 = 1,679.52/x
  3. Step 3: Cross multiply
    2,858.16x = 3,943.98 × 1,679.52
  4. Step 4: Simplify right side
    2,858.16x = 6,623,993.29
  5. Step 5: Solve for x
    x = 6,623,993.29/2,858.16
  6. Step 6: Final answer
    x = 2,317.57

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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.