Home / 2,376.20-3,564.60-916.37

Finding the Fourth Proportional to 2,376.20, 3,564.60 and 916.37

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Solution

The fourth proportional to 2,376.20, 3,564.60 and 916.37 is: 1,374.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.20 : 3,564.60 = 916.37 : x
  2. Step 2: Convert to fraction form
    2,376.20/3,564.60 = 916.37/x
  3. Step 3: Cross multiply
    2,376.20x = 3,564.60 × 916.37
  4. Step 4: Simplify right side
    2,376.20x = 3,266,492.50
  5. Step 5: Solve for x
    x = 3,266,492.50/2,376.20
  6. Step 6: Final answer
    x = 1,374.67

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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.