Home / 1,507.17-2,261.16-629.38

Finding the Fourth Proportional to 1,507.17, 2,261.16 and 629.38

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Solution

The fourth proportional to 1,507.17, 2,261.16 and 629.38 is: 944.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507.17 : 2,261.16 = 629.38 : x
  2. Step 2: Convert to fraction form
    1,507.17/2,261.16 = 629.38/x
  3. Step 3: Cross multiply
    1,507.17x = 2,261.16 × 629.38
  4. Step 4: Simplify right side
    1,507.17x = 1,423,128.88
  5. Step 5: Solve for x
    x = 1,423,128.88/1,507.17
  6. Step 6: Final answer
    x = 944.24

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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.