Home / 1,459.04-2,189.43-637.29

Finding the Fourth Proportional to 1,459.04, 2,189.43 and 637.29

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Solution

The fourth proportional to 1,459.04, 2,189.43 and 637.29 is: 956.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459.04 : 2,189.43 = 637.29 : x
  2. Step 2: Convert to fraction form
    1,459.04/2,189.43 = 637.29/x
  3. Step 3: Cross multiply
    1,459.04x = 2,189.43 × 637.29
  4. Step 4: Simplify right side
    1,459.04x = 1,395,301.84
  5. Step 5: Solve for x
    x = 1,395,301.84/1,459.04
  6. Step 6: Final answer
    x = 956.32

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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.