Home / 1,107.17-1,525.94-1,055.23

Finding the Fourth Proportional to 1,107.17, 1,525.94 and 1,055.23

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Solution

The fourth proportional to 1,107.17, 1,525.94 and 1,055.23 is: 1,454.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107.17 : 1,525.94 = 1,055.23 : x
  2. Step 2: Convert to fraction form
    1,107.17/1,525.94 = 1,055.23/x
  3. Step 3: Cross multiply
    1,107.17x = 1,525.94 × 1,055.23
  4. Step 4: Simplify right side
    1,107.17x = 1,610,212.53
  5. Step 5: Solve for x
    x = 1,610,212.53/1,107.17
  6. Step 6: Final answer
    x = 1,454.35

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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.