Home / 2,015.68-2,782.44-1,352.28

Finding the Fourth Proportional to 2,015.68, 2,782.44 and 1,352.28

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Solution

The fourth proportional to 2,015.68, 2,782.44 and 1,352.28 is: 1,866.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.68 : 2,782.44 = 1,352.28 : x
  2. Step 2: Convert to fraction form
    2,015.68/2,782.44 = 1,352.28/x
  3. Step 3: Cross multiply
    2,015.68x = 2,782.44 × 1,352.28
  4. Step 4: Simplify right side
    2,015.68x = 3,762,637.96
  5. Step 5: Solve for x
    x = 3,762,637.96/2,015.68
  6. Step 6: Final answer
    x = 1,866.68

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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.