Home / 3,720.35-5,576.63-1,254.32

Finding the Fourth Proportional to 3,720.35, 5,576.63 and 1,254.32

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Solution

The fourth proportional to 3,720.35, 5,576.63 and 1,254.32 is: 1,880.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.35 : 5,576.63 = 1,254.32 : x
  2. Step 2: Convert to fraction form
    3,720.35/5,576.63 = 1,254.32/x
  3. Step 3: Cross multiply
    3,720.35x = 5,576.63 × 1,254.32
  4. Step 4: Simplify right side
    3,720.35x = 6,994,878.54
  5. Step 5: Solve for x
    x = 6,994,878.54/3,720.35
  6. Step 6: Final answer
    x = 1,880.17

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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.