Home / 2,974.32-4,456.62-1,875.15

Finding the Fourth Proportional to 2,974.32, 4,456.62 and 1,875.15

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Solution

The fourth proportional to 2,974.32, 4,456.62 and 1,875.15 is: 2,809.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.32 : 4,456.62 = 1,875.15 : x
  2. Step 2: Convert to fraction form
    2,974.32/4,456.62 = 1,875.15/x
  3. Step 3: Cross multiply
    2,974.32x = 4,456.62 × 1,875.15
  4. Step 4: Simplify right side
    2,974.32x = 8,356,830.99
  5. Step 5: Solve for x
    x = 8,356,830.99/2,974.32
  6. Step 6: Final answer
    x = 2,809.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.