Home / 1,891.48-2,610.74-1,332.11

Finding the Fourth Proportional to 1,891.48, 2,610.74 and 1,332.11

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Solution

The fourth proportional to 1,891.48, 2,610.74 and 1,332.11 is: 1,838.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891.48 : 2,610.74 = 1,332.11 : x
  2. Step 2: Convert to fraction form
    1,891.48/2,610.74 = 1,332.11/x
  3. Step 3: Cross multiply
    1,891.48x = 2,610.74 × 1,332.11
  4. Step 4: Simplify right side
    1,891.48x = 3,477,786.20
  5. Step 5: Solve for x
    x = 3,477,786.20/1,891.48
  6. Step 6: Final answer
    x = 1,838.66

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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.