Home / 3,708.80-5,555.10-2,607.20

Finding the Fourth Proportional to 3,708.80, 5,555.10 and 2,607.20

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Solution

The fourth proportional to 3,708.80, 5,555.10 and 2,607.20 is: 3,905.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.80 : 5,555.10 = 2,607.20 : x
  2. Step 2: Convert to fraction form
    3,708.80/5,555.10 = 2,607.20/x
  3. Step 3: Cross multiply
    3,708.80x = 5,555.10 × 2,607.20
  4. Step 4: Simplify right side
    3,708.80x = 14,483,256.72
  5. Step 5: Solve for x
    x = 14,483,256.72/3,708.80
  6. Step 6: Final answer
    x = 3,905.11

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1.5x scale

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.