Home / 2,553.12-3,523.32-1,505.16

Finding the Fourth Proportional to 2,553.12, 3,523.32 and 1,505.16

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Solution

The fourth proportional to 2,553.12, 3,523.32 and 1,505.16 is: 2,077.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.12 : 3,523.32 = 1,505.16 : x
  2. Step 2: Convert to fraction form
    2,553.12/3,523.32 = 1,505.16/x
  3. Step 3: Cross multiply
    2,553.12x = 3,523.32 × 1,505.16
  4. Step 4: Simplify right side
    2,553.12x = 5,303,160.33
  5. Step 5: Solve for x
    x = 5,303,160.33/2,553.12
  6. Step 6: Final answer
    x = 2,077.13

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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.