Home / 2,948.28-4,419.96-1,561.98

Finding the Fourth Proportional to 2,948.28, 4,419.96 and 1,561.98

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Solution

The fourth proportional to 2,948.28, 4,419.96 and 1,561.98 is: 2,341.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.28 : 4,419.96 = 1,561.98 : x
  2. Step 2: Convert to fraction form
    2,948.28/4,419.96 = 1,561.98/x
  3. Step 3: Cross multiply
    2,948.28x = 4,419.96 × 1,561.98
  4. Step 4: Simplify right side
    2,948.28x = 6,903,889.12
  5. Step 5: Solve for x
    x = 6,903,889.12/2,948.28
  6. Step 6: Final answer
    x = 2,341.67

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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.