Home / 1,831.61-2,746.65-1,137.24

Finding the Fourth Proportional to 1,831.61, 2,746.65 and 1,137.24

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Solution

The fourth proportional to 1,831.61, 2,746.65 and 1,137.24 is: 1,705.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.61 : 2,746.65 = 1,137.24 : x
  2. Step 2: Convert to fraction form
    1,831.61/2,746.65 = 1,137.24/x
  3. Step 3: Cross multiply
    1,831.61x = 2,746.65 × 1,137.24
  4. Step 4: Simplify right side
    1,831.61x = 3,123,600.25
  5. Step 5: Solve for x
    x = 3,123,600.25/1,831.61
  6. Step 6: Final answer
    x = 1,705.39

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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.