Home / 2,490.23-3,735.05-1,029.20

Finding the Fourth Proportional to 2,490.23, 3,735.05 and 1,029.20

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Solution

The fourth proportional to 2,490.23, 3,735.05 and 1,029.20 is: 1,543.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490.23 : 3,735.05 = 1,029.20 : x
  2. Step 2: Convert to fraction form
    2,490.23/3,735.05 = 1,029.20/x
  3. Step 3: Cross multiply
    2,490.23x = 3,735.05 × 1,029.20
  4. Step 4: Simplify right side
    2,490.23x = 3,844,089.64
  5. Step 5: Solve for x
    x = 3,844,089.64/2,490.23
  6. Step 6: Final answer
    x = 1,543.67

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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.