Home / 2,507.13-3,459.77-1,388.04

Finding the Fourth Proportional to 2,507.13, 3,459.77 and 1,388.04

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Solution

The fourth proportional to 2,507.13, 3,459.77 and 1,388.04 is: 1,915.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,507.13 : 3,459.77 = 1,388.04 : x
  2. Step 2: Convert to fraction form
    2,507.13/3,459.77 = 1,388.04/x
  3. Step 3: Cross multiply
    2,507.13x = 3,459.77 × 1,388.04
  4. Step 4: Simplify right side
    2,507.13x = 4,802,299.15
  5. Step 5: Solve for x
    x = 4,802,299.15/2,507.13
  6. Step 6: Final answer
    x = 1,915.46

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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.