Home / 2,946.60-4,418.46-1,561.50

Finding the Fourth Proportional to 2,946.60, 4,418.46 and 1,561.50

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Solution

The fourth proportional to 2,946.60, 4,418.46 and 1,561.50 is: 2,341.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.60 : 4,418.46 = 1,561.50 : x
  2. Step 2: Convert to fraction form
    2,946.60/4,418.46 = 1,561.50/x
  3. Step 3: Cross multiply
    2,946.60x = 4,418.46 × 1,561.50
  4. Step 4: Simplify right side
    2,946.60x = 6,899,425.29
  5. Step 5: Solve for x
    x = 6,899,425.29/2,946.60
  6. Step 6: Final answer
    x = 2,341.49

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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.