Home / 1,406.16-2,110.05-757.35

Finding the Fourth Proportional to 1,406.16, 2,110.05 and 757.35

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Solution

The fourth proportional to 1,406.16, 2,110.05 and 757.35 is: 1,136.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406.16 : 2,110.05 = 757.35 : x
  2. Step 2: Convert to fraction form
    1,406.16/2,110.05 = 757.35/x
  3. Step 3: Cross multiply
    1,406.16x = 2,110.05 × 757.35
  4. Step 4: Simplify right side
    1,406.16x = 1,598,046.37
  5. Step 5: Solve for x
    x = 1,598,046.37/1,406.16
  6. Step 6: Final answer
    x = 1,136.46

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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.