Home / 1,603.02-2,405.34-629.82

Finding the Fourth Proportional to 1,603.02, 2,405.34 and 629.82

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Solution

The fourth proportional to 1,603.02, 2,405.34 and 629.82 is: 945.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603.02 : 2,405.34 = 629.82 : x
  2. Step 2: Convert to fraction form
    1,603.02/2,405.34 = 629.82/x
  3. Step 3: Cross multiply
    1,603.02x = 2,405.34 × 629.82
  4. Step 4: Simplify right side
    1,603.02x = 1,514,931.24
  5. Step 5: Solve for x
    x = 1,514,931.24/1,603.02
  6. Step 6: Final answer
    x = 945.05

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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.