Home / 1,625.16-2,436.48-976.32

Finding the Fourth Proportional to 1,625.16, 2,436.48 and 976.32

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Solution

The fourth proportional to 1,625.16, 2,436.48 and 976.32 is: 1,463.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625.16 : 2,436.48 = 976.32 : x
  2. Step 2: Convert to fraction form
    1,625.16/2,436.48 = 976.32/x
  3. Step 3: Cross multiply
    1,625.16x = 2,436.48 × 976.32
  4. Step 4: Simplify right side
    1,625.16x = 2,378,784.15
  5. Step 5: Solve for x
    x = 2,378,784.15/1,625.16
  6. Step 6: Final answer
    x = 1,463.72

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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.