Home / 3,038.89-4,193.90-1,712.72

Finding the Fourth Proportional to 3,038.89, 4,193.90 and 1,712.72

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Solution

The fourth proportional to 3,038.89, 4,193.90 and 1,712.72 is: 2,363.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.89 : 4,193.90 = 1,712.72 : x
  2. Step 2: Convert to fraction form
    3,038.89/4,193.90 = 1,712.72/x
  3. Step 3: Cross multiply
    3,038.89x = 4,193.90 × 1,712.72
  4. Step 4: Simplify right side
    3,038.89x = 7,182,976.41
  5. Step 5: Solve for x
    x = 7,182,976.41/3,038.89
  6. Step 6: Final answer
    x = 2,363.68

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1.5x scale

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.