Home / 1,924.38-2,655.63-1,505.16

Finding the Fourth Proportional to 1,924.38, 2,655.63 and 1,505.16

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Solution

The fourth proportional to 1,924.38, 2,655.63 and 1,505.16 is: 2,077.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.38 : 2,655.63 = 1,505.16 : x
  2. Step 2: Convert to fraction form
    1,924.38/2,655.63 = 1,505.16/x
  3. Step 3: Cross multiply
    1,924.38x = 2,655.63 × 1,505.16
  4. Step 4: Simplify right side
    1,924.38x = 3,997,148.05
  5. Step 5: Solve for x
    x = 3,997,148.05/1,924.38
  6. Step 6: Final answer
    x = 2,077.11

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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.