Home / 3,577.64-5,366.74-1,386.20

Finding the Fourth Proportional to 3,577.64, 5,366.74 and 1,386.20

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Solution

The fourth proportional to 3,577.64, 5,366.74 and 1,386.20 is: 2,079.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.64 : 5,366.74 = 1,386.20 : x
  2. Step 2: Convert to fraction form
    3,577.64/5,366.74 = 1,386.20/x
  3. Step 3: Cross multiply
    3,577.64x = 5,366.74 × 1,386.20
  4. Step 4: Simplify right side
    3,577.64x = 7,439,374.99
  5. Step 5: Solve for x
    x = 7,439,374.99/3,577.64
  6. Step 6: Final answer
    x = 2,079.41

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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.