Home / 3,036.16-4,188.31-1,916.70

Finding the Fourth Proportional to 3,036.16, 4,188.31 and 1,916.70

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Solution

The fourth proportional to 3,036.16, 4,188.31 and 1,916.70 is: 2,644.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.16 : 4,188.31 = 1,916.70 : x
  2. Step 2: Convert to fraction form
    3,036.16/4,188.31 = 1,916.70/x
  3. Step 3: Cross multiply
    3,036.16x = 4,188.31 × 1,916.70
  4. Step 4: Simplify right side
    3,036.16x = 8,027,733.78
  5. Step 5: Solve for x
    x = 8,027,733.78/3,036.16
  6. Step 6: Final answer
    x = 2,644.04

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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.