Home / 1,326.04-1,831.32-1,006.48

Finding the Fourth Proportional to 1,326.04, 1,831.32 and 1,006.48

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Solution

The fourth proportional to 1,326.04, 1,831.32 and 1,006.48 is: 1,389.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326.04 : 1,831.32 = 1,006.48 : x
  2. Step 2: Convert to fraction form
    1,326.04/1,831.32 = 1,006.48/x
  3. Step 3: Cross multiply
    1,326.04x = 1,831.32 × 1,006.48
  4. Step 4: Simplify right side
    1,326.04x = 1,843,186.95
  5. Step 5: Solve for x
    x = 1,843,186.95/1,326.04
  6. Step 6: Final answer
    x = 1,389.99

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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.