Home / 1,646.02-2,469.28-550.18

Finding the Fourth Proportional to 1,646.02, 2,469.28 and 550.18

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Solution

The fourth proportional to 1,646.02, 2,469.28 and 550.18 is: 825.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646.02 : 2,469.28 = 550.18 : x
  2. Step 2: Convert to fraction form
    1,646.02/2,469.28 = 550.18/x
  3. Step 3: Cross multiply
    1,646.02x = 2,469.28 × 550.18
  4. Step 4: Simplify right side
    1,646.02x = 1,358,548.47
  5. Step 5: Solve for x
    x = 1,358,548.47/1,646.02
  6. Step 6: Final answer
    x = 825.35

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1.5x scale

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.