Home / 3,678.74-5,075.34-2,352.32

Finding the Fourth Proportional to 3,678.74, 5,075.34 and 2,352.32

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Solution

The fourth proportional to 3,678.74, 5,075.34 and 2,352.32 is: 3,245.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.74 : 5,075.34 = 2,352.32 : x
  2. Step 2: Convert to fraction form
    3,678.74/5,075.34 = 2,352.32/x
  3. Step 3: Cross multiply
    3,678.74x = 5,075.34 × 2,352.32
  4. Step 4: Simplify right side
    3,678.74x = 11,938,823.79
  5. Step 5: Solve for x
    x = 11,938,823.79/3,678.74
  6. Step 6: Final answer
    x = 3,245.36

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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.