Home / 1,759.51-2,426.93-1,171.05

Finding the Fourth Proportional to 1,759.51, 2,426.93 and 1,171.05

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Solution

The fourth proportional to 1,759.51, 2,426.93 and 1,171.05 is: 1,615.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759.51 : 2,426.93 = 1,171.05 : x
  2. Step 2: Convert to fraction form
    1,759.51/2,426.93 = 1,171.05/x
  3. Step 3: Cross multiply
    1,759.51x = 2,426.93 × 1,171.05
  4. Step 4: Simplify right side
    1,759.51x = 2,842,038.39
  5. Step 5: Solve for x
    x = 2,842,038.39/1,759.51
  6. Step 6: Final answer
    x = 1,615.24

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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.