Home / 1,628.08-2,442.19-473.83

Finding the Fourth Proportional to 1,628.08, 2,442.19 and 473.83

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Solution

The fourth proportional to 1,628.08, 2,442.19 and 473.83 is: 710.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.08 : 2,442.19 = 473.83 : x
  2. Step 2: Convert to fraction form
    1,628.08/2,442.19 = 473.83/x
  3. Step 3: Cross multiply
    1,628.08x = 2,442.19 × 473.83
  4. Step 4: Simplify right side
    1,628.08x = 1,157,182.89
  5. Step 5: Solve for x
    x = 1,157,182.89/1,628.08
  6. Step 6: Final answer
    x = 710.77

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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.