Home / 2,539.28-3,504.12-1,435.28

Finding the Fourth Proportional to 2,539.28, 3,504.12 and 1,435.28

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Solution

The fourth proportional to 2,539.28, 3,504.12 and 1,435.28 is: 1,980.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,539.28 : 3,504.12 = 1,435.28 : x
  2. Step 2: Convert to fraction form
    2,539.28/3,504.12 = 1,435.28/x
  3. Step 3: Cross multiply
    2,539.28x = 3,504.12 × 1,435.28
  4. Step 4: Simplify right side
    2,539.28x = 5,029,393.35
  5. Step 5: Solve for x
    x = 5,029,393.35/2,539.28
  6. Step 6: Final answer
    x = 1,980.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.