Home / 3,320.32-4,585.84-2,256.31

Finding the Fourth Proportional to 3,320.32, 4,585.84 and 2,256.31

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Solution

The fourth proportional to 3,320.32, 4,585.84 and 2,256.31 is: 3,116.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.32 : 4,585.84 = 2,256.31 : x
  2. Step 2: Convert to fraction form
    3,320.32/4,585.84 = 2,256.31/x
  3. Step 3: Cross multiply
    3,320.32x = 4,585.84 × 2,256.31
  4. Step 4: Simplify right side
    3,320.32x = 10,347,065.37
  5. Step 5: Solve for x
    x = 10,347,065.37/3,320.32
  6. Step 6: Final answer
    x = 3,116.29

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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.