Home / 1,621.86-2,432.53-526.06

Finding the Fourth Proportional to 1,621.86, 2,432.53 and 526.06

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Solution

The fourth proportional to 1,621.86, 2,432.53 and 526.06 is: 789.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621.86 : 2,432.53 = 526.06 : x
  2. Step 2: Convert to fraction form
    1,621.86/2,432.53 = 526.06/x
  3. Step 3: Cross multiply
    1,621.86x = 2,432.53 × 526.06
  4. Step 4: Simplify right side
    1,621.86x = 1,279,656.73
  5. Step 5: Solve for x
    x = 1,279,656.73/1,621.86
  6. Step 6: Final answer
    x = 789.01

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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.