Home / 3,740.80-5,607.60-2,907.40

Finding the Fourth Proportional to 3,740.80, 5,607.60 and 2,907.40

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Solution

The fourth proportional to 3,740.80, 5,607.60 and 2,907.40 is: 4,358.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.80 : 5,607.60 = 2,907.40 : x
  2. Step 2: Convert to fraction form
    3,740.80/5,607.60 = 2,907.40/x
  3. Step 3: Cross multiply
    3,740.80x = 5,607.60 × 2,907.40
  4. Step 4: Simplify right side
    3,740.80x = 16,303,536.24
  5. Step 5: Solve for x
    x = 16,303,536.24/3,740.80
  6. Step 6: Final answer
    x = 4,358.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.