Home / 3,256.64-4,887.12-1,718.72

Finding the Fourth Proportional to 3,256.64, 4,887.12 and 1,718.72

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Solution

The fourth proportional to 3,256.64, 4,887.12 and 1,718.72 is: 2,579.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.64 : 4,887.12 = 1,718.72 : x
  2. Step 2: Convert to fraction form
    3,256.64/4,887.12 = 1,718.72/x
  3. Step 3: Cross multiply
    3,256.64x = 4,887.12 × 1,718.72
  4. Step 4: Simplify right side
    3,256.64x = 8,399,590.89
  5. Step 5: Solve for x
    x = 8,399,590.89/3,256.64
  6. Step 6: Final answer
    x = 2,579.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.