Home / 2,560.77-3,533.64-1,426.36

Finding the Fourth Proportional to 2,560.77, 3,533.64 and 1,426.36

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Solution

The fourth proportional to 2,560.77, 3,533.64 and 1,426.36 is: 1,968.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560.77 : 3,533.64 = 1,426.36 : x
  2. Step 2: Convert to fraction form
    2,560.77/3,533.64 = 1,426.36/x
  3. Step 3: Cross multiply
    2,560.77x = 3,533.64 × 1,426.36
  4. Step 4: Simplify right side
    2,560.77x = 5,040,237.48
  5. Step 5: Solve for x
    x = 5,040,237.48/2,560.77
  6. Step 6: Final answer
    x = 1,968.25

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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.