Home / 3,087.23-4,271.45-2,695.39

Finding the Fourth Proportional to 3,087.23, 4,271.45 and 2,695.39

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Solution

The fourth proportional to 3,087.23, 4,271.45 and 2,695.39 is: 3,729.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.23 : 4,271.45 = 2,695.39 : x
  2. Step 2: Convert to fraction form
    3,087.23/4,271.45 = 2,695.39/x
  3. Step 3: Cross multiply
    3,087.23x = 4,271.45 × 2,695.39
  4. Step 4: Simplify right side
    3,087.23x = 11,513,199.46
  5. Step 5: Solve for x
    x = 11,513,199.46/3,087.23
  6. Step 6: Final answer
    x = 3,729.30

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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.