Home / 1,890.44-2,607.90-1,470.05

Finding the Fourth Proportional to 1,890.44, 2,607.90 and 1,470.05

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Solution

The fourth proportional to 1,890.44, 2,607.90 and 1,470.05 is: 2,027.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890.44 : 2,607.90 = 1,470.05 : x
  2. Step 2: Convert to fraction form
    1,890.44/2,607.90 = 1,470.05/x
  3. Step 3: Cross multiply
    1,890.44x = 2,607.90 × 1,470.05
  4. Step 4: Simplify right side
    1,890.44x = 3,833,743.40
  5. Step 5: Solve for x
    x = 3,833,743.40/1,890.44
  6. Step 6: Final answer
    x = 2,027.96

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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.