Home / 1,851.65-2,551.76-1,326.77

Finding the Fourth Proportional to 1,851.65, 2,551.76 and 1,326.77

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Solution

The fourth proportional to 1,851.65, 2,551.76 and 1,326.77 is: 1,828.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.65 : 2,551.76 = 1,326.77 : x
  2. Step 2: Convert to fraction form
    1,851.65/2,551.76 = 1,326.77/x
  3. Step 3: Cross multiply
    1,851.65x = 2,551.76 × 1,326.77
  4. Step 4: Simplify right side
    1,851.65x = 3,385,579.22
  5. Step 5: Solve for x
    x = 3,385,579.22/1,851.65
  6. Step 6: Final answer
    x = 1,828.42

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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.