Home / 2,445.15-3,383.06-2,135.55

Finding the Fourth Proportional to 2,445.15, 3,383.06 and 2,135.55

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Solution

The fourth proportional to 2,445.15, 3,383.06 and 2,135.55 is: 2,954.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.15 : 3,383.06 = 2,135.55 : x
  2. Step 2: Convert to fraction form
    2,445.15/3,383.06 = 2,135.55/x
  3. Step 3: Cross multiply
    2,445.15x = 3,383.06 × 2,135.55
  4. Step 4: Simplify right side
    2,445.15x = 7,224,683.11
  5. Step 5: Solve for x
    x = 7,224,683.11/2,445.15
  6. Step 6: Final answer
    x = 2,954.70

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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.