Home / 2,677.08-3,694.80-1,558.72

Finding the Fourth Proportional to 2,677.08, 3,694.80 and 1,558.72

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Solution

The fourth proportional to 2,677.08, 3,694.80 and 1,558.72 is: 2,151.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,677.08 : 3,694.80 = 1,558.72 : x
  2. Step 2: Convert to fraction form
    2,677.08/3,694.80 = 1,558.72/x
  3. Step 3: Cross multiply
    2,677.08x = 3,694.80 × 1,558.72
  4. Step 4: Simplify right side
    2,677.08x = 5,759,158.66
  5. Step 5: Solve for x
    x = 5,759,158.66/2,677.08
  6. Step 6: Final answer
    x = 2,151.28

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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.