Home / 2,948.38-4,421.27-1,561.39

Finding the Fourth Proportional to 2,948.38, 4,421.27 and 1,561.39

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Solution

The fourth proportional to 2,948.38, 4,421.27 and 1,561.39 is: 2,341.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.38 : 4,421.27 = 1,561.39 : x
  2. Step 2: Convert to fraction form
    2,948.38/4,421.27 = 1,561.39/x
  3. Step 3: Cross multiply
    2,948.38x = 4,421.27 × 1,561.39
  4. Step 4: Simplify right side
    2,948.38x = 6,903,333.27
  5. Step 5: Solve for x
    x = 6,903,333.27/2,948.38
  6. Step 6: Final answer
    x = 2,341.40

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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.