Home / 3,314.06-4,573.82-1,916.81

Finding the Fourth Proportional to 3,314.06, 4,573.82 and 1,916.81

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Solution

The fourth proportional to 3,314.06, 4,573.82 and 1,916.81 is: 2,645.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.06 : 4,573.82 = 1,916.81 : x
  2. Step 2: Convert to fraction form
    3,314.06/4,573.82 = 1,916.81/x
  3. Step 3: Cross multiply
    3,314.06x = 4,573.82 × 1,916.81
  4. Step 4: Simplify right side
    3,314.06x = 8,767,111.46
  5. Step 5: Solve for x
    x = 8,767,111.46/3,314.06
  6. Step 6: Final answer
    x = 2,645.43

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1.5x scale

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.