Home / 1,788.09-2,467.73-1,042.29

Finding the Fourth Proportional to 1,788.09, 2,467.73 and 1,042.29

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Solution

The fourth proportional to 1,788.09, 2,467.73 and 1,042.29 is: 1,438.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788.09 : 2,467.73 = 1,042.29 : x
  2. Step 2: Convert to fraction form
    1,788.09/2,467.73 = 1,042.29/x
  3. Step 3: Cross multiply
    1,788.09x = 2,467.73 × 1,042.29
  4. Step 4: Simplify right side
    1,788.09x = 2,572,085.09
  5. Step 5: Solve for x
    x = 2,572,085.09/1,788.09
  6. Step 6: Final answer
    x = 1,438.45

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1.5x scale

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.