Home / 3,112.64-4,295.01-1,715.42

Finding the Fourth Proportional to 3,112.64, 4,295.01 and 1,715.42

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Solution

The fourth proportional to 3,112.64, 4,295.01 and 1,715.42 is: 2,367.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.64 : 4,295.01 = 1,715.42 : x
  2. Step 2: Convert to fraction form
    3,112.64/4,295.01 = 1,715.42/x
  3. Step 3: Cross multiply
    3,112.64x = 4,295.01 × 1,715.42
  4. Step 4: Simplify right side
    3,112.64x = 7,367,746.05
  5. Step 5: Solve for x
    x = 7,367,746.05/3,112.64
  6. Step 6: Final answer
    x = 2,367.04

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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.