Home / 1,953.22-2,695.44-1,069.02

Finding the Fourth Proportional to 1,953.22, 2,695.44 and 1,069.02

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Solution

The fourth proportional to 1,953.22, 2,695.44 and 1,069.02 is: 1,475.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953.22 : 2,695.44 = 1,069.02 : x
  2. Step 2: Convert to fraction form
    1,953.22/2,695.44 = 1,069.02/x
  3. Step 3: Cross multiply
    1,953.22x = 2,695.44 × 1,069.02
  4. Step 4: Simplify right side
    1,953.22x = 2,881,473.92
  5. Step 5: Solve for x
    x = 2,881,473.92/1,953.22
  6. Step 6: Final answer
    x = 1,475.24

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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.