Home / 3,311.93-4,569.66-1,876.32

Finding the Fourth Proportional to 3,311.93, 4,569.66 and 1,876.32

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Solution

The fourth proportional to 3,311.93, 4,569.66 and 1,876.32 is: 2,588.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.93 : 4,569.66 = 1,876.32 : x
  2. Step 2: Convert to fraction form
    3,311.93/4,569.66 = 1,876.32/x
  3. Step 3: Cross multiply
    3,311.93x = 4,569.66 × 1,876.32
  4. Step 4: Simplify right side
    3,311.93x = 8,574,144.45
  5. Step 5: Solve for x
    x = 8,574,144.45/3,311.93
  6. Step 6: Final answer
    x = 2,588.86

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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.