Home / 1,590.37-2,382.35-896.00

Finding the Fourth Proportional to 1,590.37, 2,382.35 and 896.00

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Solution

The fourth proportional to 1,590.37, 2,382.35 and 896.00 is: 1,342.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590.37 : 2,382.35 = 896.00 : x
  2. Step 2: Convert to fraction form
    1,590.37/2,382.35 = 896.00/x
  3. Step 3: Cross multiply
    1,590.37x = 2,382.35 × 896.00
  4. Step 4: Simplify right side
    1,590.37x = 2,134,569.21
  5. Step 5: Solve for x
    x = 2,134,569.21/1,590.37
  6. Step 6: Final answer
    x = 1,342.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.