Home / 3,515.16-5,271.12-2,054.76

Finding the Fourth Proportional to 3,515.16, 5,271.12 and 2,054.76

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Solution

The fourth proportional to 3,515.16, 5,271.12 and 2,054.76 is: 3,081.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.16 : 5,271.12 = 2,054.76 : x
  2. Step 2: Convert to fraction form
    3,515.16/5,271.12 = 2,054.76/x
  3. Step 3: Cross multiply
    3,515.16x = 5,271.12 × 2,054.76
  4. Step 4: Simplify right side
    3,515.16x = 10,830,886.53
  5. Step 5: Solve for x
    x = 10,830,886.53/3,515.16
  6. Step 6: Final answer
    x = 3,081.19

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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.