Home / 2,819.22-4,225.59-1,430.34

Finding the Fourth Proportional to 2,819.22, 4,225.59 and 1,430.34

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Solution

The fourth proportional to 2,819.22, 4,225.59 and 1,430.34 is: 2,143.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819.22 : 4,225.59 = 1,430.34 : x
  2. Step 2: Convert to fraction form
    2,819.22/4,225.59 = 1,430.34/x
  3. Step 3: Cross multiply
    2,819.22x = 4,225.59 × 1,430.34
  4. Step 4: Simplify right side
    2,819.22x = 6,044,030.40
  5. Step 5: Solve for x
    x = 6,044,030.40/2,819.22
  6. Step 6: Final answer
    x = 2,143.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.