Home / 2,955.25-4,075.81-1,774.27

Finding the Fourth Proportional to 2,955.25, 4,075.81 and 1,774.27

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Solution

The fourth proportional to 2,955.25, 4,075.81 and 1,774.27 is: 2,447.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.25 : 4,075.81 = 1,774.27 : x
  2. Step 2: Convert to fraction form
    2,955.25/4,075.81 = 1,774.27/x
  3. Step 3: Cross multiply
    2,955.25x = 4,075.81 × 1,774.27
  4. Step 4: Simplify right side
    2,955.25x = 7,231,587.41
  5. Step 5: Solve for x
    x = 7,231,587.41/2,955.25
  6. Step 6: Final answer
    x = 2,447.03

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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.