Home / 1,628.02-2,442.30-532.72

Finding the Fourth Proportional to 1,628.02, 2,442.30 and 532.72

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Solution

The fourth proportional to 1,628.02, 2,442.30 and 532.72 is: 799.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.02 : 2,442.30 = 532.72 : x
  2. Step 2: Convert to fraction form
    1,628.02/2,442.30 = 532.72/x
  3. Step 3: Cross multiply
    1,628.02x = 2,442.30 × 532.72
  4. Step 4: Simplify right side
    1,628.02x = 1,301,062.06
  5. Step 5: Solve for x
    x = 1,301,062.06/1,628.02
  6. Step 6: Final answer
    x = 799.17

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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.