Home / 3,038.66-4,193.40-1,712.43

Finding the Fourth Proportional to 3,038.66, 4,193.40 and 1,712.43

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Solution

The fourth proportional to 3,038.66, 4,193.40 and 1,712.43 is: 2,363.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.66 : 4,193.40 = 1,712.43 : x
  2. Step 2: Convert to fraction form
    3,038.66/4,193.40 = 1,712.43/x
  3. Step 3: Cross multiply
    3,038.66x = 4,193.40 × 1,712.43
  4. Step 4: Simplify right side
    3,038.66x = 7,180,903.96
  5. Step 5: Solve for x
    x = 7,180,903.96/3,038.66
  6. Step 6: Final answer
    x = 2,363.19

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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.