Home / 1,219.93-1,829.93-526.16

Finding the Fourth Proportional to 1,219.93, 1,829.93 and 526.16

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Solution

The fourth proportional to 1,219.93, 1,829.93 and 526.16 is: 789.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219.93 : 1,829.93 = 526.16 : x
  2. Step 2: Convert to fraction form
    1,219.93/1,829.93 = 526.16/x
  3. Step 3: Cross multiply
    1,219.93x = 1,829.93 × 526.16
  4. Step 4: Simplify right side
    1,219.93x = 962,837.91
  5. Step 5: Solve for x
    x = 962,837.91/1,219.93
  6. Step 6: Final answer
    x = 789.26

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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.