Home / 2,930.04-4,043.34-1,688.44

Finding the Fourth Proportional to 2,930.04, 4,043.34 and 1,688.44

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Solution

The fourth proportional to 2,930.04, 4,043.34 and 1,688.44 is: 2,329.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.04 : 4,043.34 = 1,688.44 : x
  2. Step 2: Convert to fraction form
    2,930.04/4,043.34 = 1,688.44/x
  3. Step 3: Cross multiply
    2,930.04x = 4,043.34 × 1,688.44
  4. Step 4: Simplify right side
    2,930.04x = 6,826,936.99
  5. Step 5: Solve for x
    x = 6,826,936.99/2,930.04
  6. Step 6: Final answer
    x = 2,329.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.