Home / 2,029.48-3,038.01-1,299.76

Finding the Fourth Proportional to 2,029.48, 3,038.01 and 1,299.76

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Solution

The fourth proportional to 2,029.48, 3,038.01 and 1,299.76 is: 1,945.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.48 : 3,038.01 = 1,299.76 : x
  2. Step 2: Convert to fraction form
    2,029.48/3,038.01 = 1,299.76/x
  3. Step 3: Cross multiply
    2,029.48x = 3,038.01 × 1,299.76
  4. Step 4: Simplify right side
    2,029.48x = 3,948,683.88
  5. Step 5: Solve for x
    x = 3,948,683.88/2,029.48
  6. Step 6: Final answer
    x = 1,945.66

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1.5x scale

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.