Home / 1,680.32-2,525.48-1,136

Finding the Fourth Proportional to 1,680.32, 2,525.48 and 1,136

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Solution

The fourth proportional to 1,680.32, 2,525.48 and 1,136 is: 1,707.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680.32 : 2,525.48 = 1,136 : x
  2. Step 2: Convert to fraction form
    1,680.32/2,525.48 = 1,136/x
  3. Step 3: Cross multiply
    1,680.32x = 2,525.48 × 1,136
  4. Step 4: Simplify right side
    1,680.32x = 2,868,945.28
  5. Step 5: Solve for x
    x = 2,868,945.28/1,680.32
  6. Step 6: Final answer
    x = 1,707.38

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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.