Home / 2,556.68-3,528.30-1,437.64

Finding the Fourth Proportional to 2,556.68, 3,528.30 and 1,437.64

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Solution

The fourth proportional to 2,556.68, 3,528.30 and 1,437.64 is: 1,983.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.68 : 3,528.30 = 1,437.64 : x
  2. Step 2: Convert to fraction form
    2,556.68/3,528.30 = 1,437.64/x
  3. Step 3: Cross multiply
    2,556.68x = 3,528.30 × 1,437.64
  4. Step 4: Simplify right side
    2,556.68x = 5,072,425.21
  5. Step 5: Solve for x
    x = 5,072,425.21/2,556.68
  6. Step 6: Final answer
    x = 1,983.99

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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.