Home / 1,679.05-2,518.58-1,569.70

Finding the Fourth Proportional to 1,679.05, 2,518.58 and 1,569.70

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Solution

The fourth proportional to 1,679.05, 2,518.58 and 1,569.70 is: 2,354.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679.05 : 2,518.58 = 1,569.70 : x
  2. Step 2: Convert to fraction form
    1,679.05/2,518.58 = 1,569.70/x
  3. Step 3: Cross multiply
    1,679.05x = 2,518.58 × 1,569.70
  4. Step 4: Simplify right side
    1,679.05x = 3,953,407.18
  5. Step 5: Solve for x
    x = 3,953,407.18/1,679.05
  6. Step 6: Final answer
    x = 2,354.55

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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.