Home / 1,759.37-2,426.90-1,338.98

Finding the Fourth Proportional to 1,759.37, 2,426.90 and 1,338.98

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Solution

The fourth proportional to 1,759.37, 2,426.90 and 1,338.98 is: 1,847.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759.37 : 2,426.90 = 1,338.98 : x
  2. Step 2: Convert to fraction form
    1,759.37/2,426.90 = 1,338.98/x
  3. Step 3: Cross multiply
    1,759.37x = 2,426.90 × 1,338.98
  4. Step 4: Simplify right side
    1,759.37x = 3,249,551.73
  5. Step 5: Solve for x
    x = 3,249,551.73/1,759.37
  6. Step 6: Final answer
    x = 1,847.00

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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.