Home / 1,124.44-1,684.06-1,085.52

Finding the Fourth Proportional to 1,124.44, 1,684.06 and 1,085.52

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Solution

The fourth proportional to 1,124.44, 1,684.06 and 1,085.52 is: 1,625.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124.44 : 1,684.06 = 1,085.52 : x
  2. Step 2: Convert to fraction form
    1,124.44/1,684.06 = 1,085.52/x
  3. Step 3: Cross multiply
    1,124.44x = 1,684.06 × 1,085.52
  4. Step 4: Simplify right side
    1,124.44x = 1,828,080.81
  5. Step 5: Solve for x
    x = 1,828,080.81/1,124.44
  6. Step 6: Final answer
    x = 1,625.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.