Home / 1,831.05-2,504.45-1,802.34

Finding the Fourth Proportional to 1,831.05, 2,504.45 and 1,802.34

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Solution

The fourth proportional to 1,831.05, 2,504.45 and 1,802.34 is: 2,465.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.05 : 2,504.45 = 1,802.34 : x
  2. Step 2: Convert to fraction form
    1,831.05/2,504.45 = 1,802.34/x
  3. Step 3: Cross multiply
    1,831.05x = 2,504.45 × 1,802.34
  4. Step 4: Simplify right side
    1,831.05x = 4,513,874.92
  5. Step 5: Solve for x
    x = 4,513,874.92/1,831.05
  6. Step 6: Final answer
    x = 2,465.18

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.