Home / 2,539.32-3,504.38-1,420.24

Finding the Fourth Proportional to 2,539.32, 3,504.38 and 1,420.24

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Solution

The fourth proportional to 2,539.32, 3,504.38 and 1,420.24 is: 1,960.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,539.32 : 3,504.38 = 1,420.24 : x
  2. Step 2: Convert to fraction form
    2,539.32/3,504.38 = 1,420.24/x
  3. Step 3: Cross multiply
    2,539.32x = 3,504.38 × 1,420.24
  4. Step 4: Simplify right side
    2,539.32x = 4,977,060.65
  5. Step 5: Solve for x
    x = 4,977,060.65/2,539.32
  6. Step 6: Final answer
    x = 1,960.00

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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.