Home / 2,348.77-3,237.91-1,878.07

Finding the Fourth Proportional to 2,348.77, 3,237.91 and 1,878.07

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Solution

The fourth proportional to 2,348.77, 3,237.91 and 1,878.07 is: 2,589.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.77 : 3,237.91 = 1,878.07 : x
  2. Step 2: Convert to fraction form
    2,348.77/3,237.91 = 1,878.07/x
  3. Step 3: Cross multiply
    2,348.77x = 3,237.91 × 1,878.07
  4. Step 4: Simplify right side
    2,348.77x = 6,081,021.63
  5. Step 5: Solve for x
    x = 6,081,021.63/2,348.77
  6. Step 6: Final answer
    x = 2,589.02

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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.