Home / 1,501.80-2,247.36-916.62

Finding the Fourth Proportional to 1,501.80, 2,247.36 and 916.62

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Solution

The fourth proportional to 1,501.80, 2,247.36 and 916.62 is: 1,371.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501.80 : 2,247.36 = 916.62 : x
  2. Step 2: Convert to fraction form
    1,501.80/2,247.36 = 916.62/x
  3. Step 3: Cross multiply
    1,501.80x = 2,247.36 × 916.62
  4. Step 4: Simplify right side
    1,501.80x = 2,059,975.12
  5. Step 5: Solve for x
    x = 2,059,975.12/1,501.80
  6. Step 6: Final answer
    x = 1,371.67

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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.