Home / 1,759.77-2,439.59-1,666.14

Finding the Fourth Proportional to 1,759.77, 2,439.59 and 1,666.14

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Solution

The fourth proportional to 1,759.77, 2,439.59 and 1,666.14 is: 2,309.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759.77 : 2,439.59 = 1,666.14 : x
  2. Step 2: Convert to fraction form
    1,759.77/2,439.59 = 1,666.14/x
  3. Step 3: Cross multiply
    1,759.77x = 2,439.59 × 1,666.14
  4. Step 4: Simplify right side
    1,759.77x = 4,064,698.48
  5. Step 5: Solve for x
    x = 4,064,698.48/1,759.77
  6. Step 6: Final answer
    x = 2,309.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.