Home / 2,930.77-4,043.46-1,670.92

Finding the Fourth Proportional to 2,930.77, 4,043.46 and 1,670.92

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Solution

The fourth proportional to 2,930.77, 4,043.46 and 1,670.92 is: 2,305.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.77 : 4,043.46 = 1,670.92 : x
  2. Step 2: Convert to fraction form
    2,930.77/4,043.46 = 1,670.92/x
  3. Step 3: Cross multiply
    2,930.77x = 4,043.46 × 1,670.92
  4. Step 4: Simplify right side
    2,930.77x = 6,756,305.71
  5. Step 5: Solve for x
    x = 6,756,305.71/2,930.77
  6. Step 6: Final answer
    x = 2,305.30

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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.