Home / 3,470.23-4,788.93-1,876.87

Finding the Fourth Proportional to 3,470.23, 4,788.93 and 1,876.87

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Solution

The fourth proportional to 3,470.23, 4,788.93 and 1,876.87 is: 2,590.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.23 : 4,788.93 = 1,876.87 : x
  2. Step 2: Convert to fraction form
    3,470.23/4,788.93 = 1,876.87/x
  3. Step 3: Cross multiply
    3,470.23x = 4,788.93 × 1,876.87
  4. Step 4: Simplify right side
    3,470.23x = 8,988,206.79
  5. Step 5: Solve for x
    x = 8,988,206.79/3,470.23
  6. Step 6: Final answer
    x = 2,590.09

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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.