Home / 3,705.18-5,109.84-2,445.36

Finding the Fourth Proportional to 3,705.18, 5,109.84 and 2,445.36

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Solution

The fourth proportional to 3,705.18, 5,109.84 and 2,445.36 is: 3,372.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.18 : 5,109.84 = 2,445.36 : x
  2. Step 2: Convert to fraction form
    3,705.18/5,109.84 = 2,445.36/x
  3. Step 3: Cross multiply
    3,705.18x = 5,109.84 × 2,445.36
  4. Step 4: Simplify right side
    3,705.18x = 12,495,398.34
  5. Step 5: Solve for x
    x = 12,495,398.34/3,705.18
  6. Step 6: Final answer
    x = 3,372.41

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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.