Home / 2,977.94-4,109.58-1,651.77

Finding the Fourth Proportional to 2,977.94, 4,109.58 and 1,651.77

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Solution

The fourth proportional to 2,977.94, 4,109.58 and 1,651.77 is: 2,279.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.94 : 4,109.58 = 1,651.77 : x
  2. Step 2: Convert to fraction form
    2,977.94/4,109.58 = 1,651.77/x
  3. Step 3: Cross multiply
    2,977.94x = 4,109.58 × 1,651.77
  4. Step 4: Simplify right side
    2,977.94x = 6,788,080.96
  5. Step 5: Solve for x
    x = 6,788,080.96/2,977.94
  6. Step 6: Final answer
    x = 2,279.46

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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.