Home / 2,955.70-4,075.41-1,776.34

Finding the Fourth Proportional to 2,955.70, 4,075.41 and 1,776.34

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Solution

The fourth proportional to 2,955.70, 4,075.41 and 1,776.34 is: 2,449.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.70 : 4,075.41 = 1,776.34 : x
  2. Step 2: Convert to fraction form
    2,955.70/4,075.41 = 1,776.34/x
  3. Step 3: Cross multiply
    2,955.70x = 4,075.41 × 1,776.34
  4. Step 4: Simplify right side
    2,955.70x = 7,239,313.80
  5. Step 5: Solve for x
    x = 7,239,313.80/2,955.70
  6. Step 6: Final answer
    x = 2,449.27

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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.