Home / 2,500.61-3,450.14-1,438.32

Finding the Fourth Proportional to 2,500.61, 3,450.14 and 1,438.32

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Solution

The fourth proportional to 2,500.61, 3,450.14 and 1,438.32 is: 1,984.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,500.61 : 3,450.14 = 1,438.32 : x
  2. Step 2: Convert to fraction form
    2,500.61/3,450.14 = 1,438.32/x
  3. Step 3: Cross multiply
    2,500.61x = 3,450.14 × 1,438.32
  4. Step 4: Simplify right side
    2,500.61x = 4,962,405.36
  5. Step 5: Solve for x
    x = 4,962,405.36/2,500.61
  6. Step 6: Final answer
    x = 1,984.48

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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.