Home / 2,669.08-3,683.18-1,490.26

Finding the Fourth Proportional to 2,669.08, 3,683.18 and 1,490.26

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Solution

The fourth proportional to 2,669.08, 3,683.18 and 1,490.26 is: 2,056.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.08 : 3,683.18 = 1,490.26 : x
  2. Step 2: Convert to fraction form
    2,669.08/3,683.18 = 1,490.26/x
  3. Step 3: Cross multiply
    2,669.08x = 3,683.18 × 1,490.26
  4. Step 4: Simplify right side
    2,669.08x = 5,488,895.83
  5. Step 5: Solve for x
    x = 5,488,895.83/2,669.08
  6. Step 6: Final answer
    x = 2,056.47

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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.