Home / 2,386.28-3,575.52-1,214.67

Finding the Fourth Proportional to 2,386.28, 3,575.52 and 1,214.67

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Solution

The fourth proportional to 2,386.28, 3,575.52 and 1,214.67 is: 1,820.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386.28 : 3,575.52 = 1,214.67 : x
  2. Step 2: Convert to fraction form
    2,386.28/3,575.52 = 1,214.67/x
  3. Step 3: Cross multiply
    2,386.28x = 3,575.52 × 1,214.67
  4. Step 4: Simplify right side
    2,386.28x = 4,343,076.88
  5. Step 5: Solve for x
    x = 4,343,076.88/2,386.28
  6. Step 6: Final answer
    x = 1,820.02

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.