Home / 1,831.04-2,521.77-1,582.28

Finding the Fourth Proportional to 1,831.04, 2,521.77 and 1,582.28

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Solution

The fourth proportional to 1,831.04, 2,521.77 and 1,582.28 is: 2,179.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.04 : 2,521.77 = 1,582.28 : x
  2. Step 2: Convert to fraction form
    1,831.04/2,521.77 = 1,582.28/x
  3. Step 3: Cross multiply
    1,831.04x = 2,521.77 × 1,582.28
  4. Step 4: Simplify right side
    1,831.04x = 3,990,146.24
  5. Step 5: Solve for x
    x = 3,990,146.24/1,831.04
  6. Step 6: Final answer
    x = 2,179.17

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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.