Home / 2,718.39-4,045.11-2,709.18

Finding the Fourth Proportional to 2,718.39, 4,045.11 and 2,709.18

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Solution

The fourth proportional to 2,718.39, 4,045.11 and 2,709.18 is: 4,031.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.39 : 4,045.11 = 2,709.18 : x
  2. Step 2: Convert to fraction form
    2,718.39/4,045.11 = 2,709.18/x
  3. Step 3: Cross multiply
    2,718.39x = 4,045.11 × 2,709.18
  4. Step 4: Simplify right side
    2,718.39x = 10,958,931.11
  5. Step 5: Solve for x
    x = 10,958,931.11/2,718.39
  6. Step 6: Final answer
    x = 4,031.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.