Home / 2,556.77-3,528.54-1,437.75

Finding the Fourth Proportional to 2,556.77, 3,528.54 and 1,437.75

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Solution

The fourth proportional to 2,556.77, 3,528.54 and 1,437.75 is: 1,984.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.77 : 3,528.54 = 1,437.75 : x
  2. Step 2: Convert to fraction form
    2,556.77/3,528.54 = 1,437.75/x
  3. Step 3: Cross multiply
    2,556.77x = 3,528.54 × 1,437.75
  4. Step 4: Simplify right side
    2,556.77x = 5,073,158.39
  5. Step 5: Solve for x
    x = 5,073,158.39/2,556.77
  6. Step 6: Final answer
    x = 1,984.21

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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.