Home / 3,619.32-4,995.60-2,223.24

Finding the Fourth Proportional to 3,619.32, 4,995.60 and 2,223.24

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Solution

The fourth proportional to 3,619.32, 4,995.60 and 2,223.24 is: 3,068.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.32 : 4,995.60 = 2,223.24 : x
  2. Step 2: Convert to fraction form
    3,619.32/4,995.60 = 2,223.24/x
  3. Step 3: Cross multiply
    3,619.32x = 4,995.60 × 2,223.24
  4. Step 4: Simplify right side
    3,619.32x = 11,106,417.74
  5. Step 5: Solve for x
    x = 11,106,417.74/3,619.32
  6. Step 6: Final answer
    x = 3,068.65

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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.