Home / 1,621.98-2,432.52-526.14

Finding the Fourth Proportional to 1,621.98, 2,432.52 and 526.14

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Solution

The fourth proportional to 1,621.98, 2,432.52 and 526.14 is: 789.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621.98 : 2,432.52 = 526.14 : x
  2. Step 2: Convert to fraction form
    1,621.98/2,432.52 = 526.14/x
  3. Step 3: Cross multiply
    1,621.98x = 2,432.52 × 526.14
  4. Step 4: Simplify right side
    1,621.98x = 1,279,846.07
  5. Step 5: Solve for x
    x = 1,279,846.07/1,621.98
  6. Step 6: Final answer
    x = 789.06

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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.