Home / 2,345.96-3,235.92-1,505.78

Finding the Fourth Proportional to 2,345.96, 3,235.92 and 1,505.78

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Solution

The fourth proportional to 2,345.96, 3,235.92 and 1,505.78 is: 2,077.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.96 : 3,235.92 = 1,505.78 : x
  2. Step 2: Convert to fraction form
    2,345.96/3,235.92 = 1,505.78/x
  3. Step 3: Cross multiply
    2,345.96x = 3,235.92 × 1,505.78
  4. Step 4: Simplify right side
    2,345.96x = 4,872,583.62
  5. Step 5: Solve for x
    x = 4,872,583.62/2,345.96
  6. Step 6: Final answer
    x = 2,077.01

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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.