Home / 3,746.02-5,619.03-1,280.86

Finding the Fourth Proportional to 3,746.02, 5,619.03 and 1,280.86

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Solution

The fourth proportional to 3,746.02, 5,619.03 and 1,280.86 is: 1,921.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.02 : 5,619.03 = 1,280.86 : x
  2. Step 2: Convert to fraction form
    3,746.02/5,619.03 = 1,280.86/x
  3. Step 3: Cross multiply
    3,746.02x = 5,619.03 × 1,280.86
  4. Step 4: Simplify right side
    3,746.02x = 7,197,190.77
  5. Step 5: Solve for x
    x = 7,197,190.77/3,746.02
  6. Step 6: Final answer
    x = 1,921.29

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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.