Home / 2,946.11-4,417.68-1,385.60

Finding the Fourth Proportional to 2,946.11, 4,417.68 and 1,385.60

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Solution

The fourth proportional to 2,946.11, 4,417.68 and 1,385.60 is: 2,077.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.11 : 4,417.68 = 1,385.60 : x
  2. Step 2: Convert to fraction form
    2,946.11/4,417.68 = 1,385.60/x
  3. Step 3: Cross multiply
    2,946.11x = 4,417.68 × 1,385.60
  4. Step 4: Simplify right side
    2,946.11x = 6,121,137.41
  5. Step 5: Solve for x
    x = 6,121,137.41/2,946.11
  6. Step 6: Final answer
    x = 2,077.70

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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.