Home / 3,564.56-4,920.46-2,385.20

Finding the Fourth Proportional to 3,564.56, 4,920.46 and 2,385.20

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Solution

The fourth proportional to 3,564.56, 4,920.46 and 2,385.20 is: 3,292.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,564.56 : 4,920.46 = 2,385.20 : x
  2. Step 2: Convert to fraction form
    3,564.56/4,920.46 = 2,385.20/x
  3. Step 3: Cross multiply
    3,564.56x = 4,920.46 × 2,385.20
  4. Step 4: Simplify right side
    3,564.56x = 11,736,281.19
  5. Step 5: Solve for x
    x = 11,736,281.19/3,564.56
  6. Step 6: Final answer
    x = 3,292.49

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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.