Home / 3,314.90-4,572.69-1,917.46

Finding the Fourth Proportional to 3,314.90, 4,572.69 and 1,917.46

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Solution

The fourth proportional to 3,314.90, 4,572.69 and 1,917.46 is: 2,645.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.90 : 4,572.69 = 1,917.46 : x
  2. Step 2: Convert to fraction form
    3,314.90/4,572.69 = 1,917.46/x
  3. Step 3: Cross multiply
    3,314.90x = 4,572.69 × 1,917.46
  4. Step 4: Simplify right side
    3,314.90x = 8,767,950.17
  5. Step 5: Solve for x
    x = 8,767,950.17/3,314.90
  6. Step 6: Final answer
    x = 2,645.01

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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.