Home / 1,323.66-1,981.62-1,237.08

Finding the Fourth Proportional to 1,323.66, 1,981.62 and 1,237.08

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Solution

The fourth proportional to 1,323.66, 1,981.62 and 1,237.08 is: 1,852.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323.66 : 1,981.62 = 1,237.08 : x
  2. Step 2: Convert to fraction form
    1,323.66/1,981.62 = 1,237.08/x
  3. Step 3: Cross multiply
    1,323.66x = 1,981.62 × 1,237.08
  4. Step 4: Simplify right side
    1,323.66x = 2,451,422.47
  5. Step 5: Solve for x
    x = 2,451,422.47/1,323.66
  6. Step 6: Final answer
    x = 1,852.00

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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.