Home / 1,872.90-2,579.58-1,624.23

Finding the Fourth Proportional to 1,872.90, 2,579.58 and 1,624.23

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Solution

The fourth proportional to 1,872.90, 2,579.58 and 1,624.23 is: 2,237.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872.90 : 2,579.58 = 1,624.23 : x
  2. Step 2: Convert to fraction form
    1,872.90/2,579.58 = 1,624.23/x
  3. Step 3: Cross multiply
    1,872.90x = 2,579.58 × 1,624.23
  4. Step 4: Simplify right side
    1,872.90x = 4,189,831.22
  5. Step 5: Solve for x
    x = 4,189,831.22/1,872.90
  6. Step 6: Final answer
    x = 2,237.08

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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.