Home / 2,475.72-3,416.44-1,356.65

Finding the Fourth Proportional to 2,475.72, 3,416.44 and 1,356.65

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Solution

The fourth proportional to 2,475.72, 3,416.44 and 1,356.65 is: 1,872.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.72 : 3,416.44 = 1,356.65 : x
  2. Step 2: Convert to fraction form
    2,475.72/3,416.44 = 1,356.65/x
  3. Step 3: Cross multiply
    2,475.72x = 3,416.44 × 1,356.65
  4. Step 4: Simplify right side
    2,475.72x = 4,634,901.39
  5. Step 5: Solve for x
    x = 4,634,901.39/2,475.72
  6. Step 6: Final answer
    x = 1,872.15

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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.