Home / 2,966.32-4,093.76-1,640.28

Finding the Fourth Proportional to 2,966.32, 4,093.76 and 1,640.28

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Solution

The fourth proportional to 2,966.32, 4,093.76 and 1,640.28 is: 2,263.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,966.32 : 4,093.76 = 1,640.28 : x
  2. Step 2: Convert to fraction form
    2,966.32/4,093.76 = 1,640.28/x
  3. Step 3: Cross multiply
    2,966.32x = 4,093.76 × 1,640.28
  4. Step 4: Simplify right side
    2,966.32x = 6,714,916.75
  5. Step 5: Solve for x
    x = 6,714,916.75/2,966.32
  6. Step 6: Final answer
    x = 2,263.72

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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.