Home / 2,712.77-4,071.66-1,674.80

Finding the Fourth Proportional to 2,712.77, 4,071.66 and 1,674.80

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Solution

The fourth proportional to 2,712.77, 4,071.66 and 1,674.80 is: 2,513.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.77 : 4,071.66 = 1,674.80 : x
  2. Step 2: Convert to fraction form
    2,712.77/4,071.66 = 1,674.80/x
  3. Step 3: Cross multiply
    2,712.77x = 4,071.66 × 1,674.80
  4. Step 4: Simplify right side
    2,712.77x = 6,819,216.17
  5. Step 5: Solve for x
    x = 6,819,216.17/2,712.77
  6. Step 6: Final answer
    x = 2,513.75

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1.5x scale

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.