Home / 3,674.56-5,068.62-2,415.76

Finding the Fourth Proportional to 3,674.56, 5,068.62 and 2,415.76

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Solution

The fourth proportional to 3,674.56, 5,068.62 and 2,415.76 is: 3,332.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.56 : 5,068.62 = 2,415.76 : x
  2. Step 2: Convert to fraction form
    3,674.56/5,068.62 = 2,415.76/x
  3. Step 3: Cross multiply
    3,674.56x = 5,068.62 × 2,415.76
  4. Step 4: Simplify right side
    3,674.56x = 12,244,569.45
  5. Step 5: Solve for x
    x = 12,244,569.45/3,674.56
  6. Step 6: Final answer
    x = 3,332.25

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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.