Home / 2,310.47-3,459.80-1,528.08

Finding the Fourth Proportional to 2,310.47, 3,459.80 and 1,528.08

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Solution

The fourth proportional to 2,310.47, 3,459.80 and 1,528.08 is: 2,288.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.47 : 3,459.80 = 1,528.08 : x
  2. Step 2: Convert to fraction form
    2,310.47/3,459.80 = 1,528.08/x
  3. Step 3: Cross multiply
    2,310.47x = 3,459.80 × 1,528.08
  4. Step 4: Simplify right side
    2,310.47x = 5,286,855.00
  5. Step 5: Solve for x
    x = 5,286,855.00/2,310.47
  6. Step 6: Final answer
    x = 2,288.21

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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.