Home / 2,071.50-2,859.78-1,699.44

Finding the Fourth Proportional to 2,071.50, 2,859.78 and 1,699.44

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Solution

The fourth proportional to 2,071.50, 2,859.78 and 1,699.44 is: 2,346.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071.50 : 2,859.78 = 1,699.44 : x
  2. Step 2: Convert to fraction form
    2,071.50/2,859.78 = 1,699.44/x
  3. Step 3: Cross multiply
    2,071.50x = 2,859.78 × 1,699.44
  4. Step 4: Simplify right side
    2,071.50x = 4,860,024.52
  5. Step 5: Solve for x
    x = 4,860,024.52/2,071.50
  6. Step 6: Final answer
    x = 2,346.14

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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.