Home / 1,126.36-1,551.90-1,095.58

Finding the Fourth Proportional to 1,126.36, 1,551.90 and 1,095.58

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Solution

The fourth proportional to 1,126.36, 1,551.90 and 1,095.58 is: 1,509.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126.36 : 1,551.90 = 1,095.58 : x
  2. Step 2: Convert to fraction form
    1,126.36/1,551.90 = 1,095.58/x
  3. Step 3: Cross multiply
    1,126.36x = 1,551.90 × 1,095.58
  4. Step 4: Simplify right side
    1,126.36x = 1,700,230.60
  5. Step 5: Solve for x
    x = 1,700,230.60/1,126.36
  6. Step 6: Final answer
    x = 1,509.49

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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.