Home / 2,669.95-3,684-1,490.86

Finding the Fourth Proportional to 2,669.95, 3,684 and 1,490.86

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Solution

The fourth proportional to 2,669.95, 3,684 and 1,490.86 is: 2,057.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.95 : 3,684 = 1,490.86 : x
  2. Step 2: Convert to fraction form
    2,669.95/3,684 = 1,490.86/x
  3. Step 3: Cross multiply
    2,669.95x = 3,684 × 1,490.86
  4. Step 4: Simplify right side
    2,669.95x = 5,492,328.24
  5. Step 5: Solve for x
    x = 5,492,328.24/2,669.95
  6. Step 6: Final answer
    x = 2,057.09

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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.