Home / 2,599.37-3,587.12-1,420.44

Finding the Fourth Proportional to 2,599.37, 3,587.12 and 1,420.44

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Solution

The fourth proportional to 2,599.37, 3,587.12 and 1,420.44 is: 1,960.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,599.37 : 3,587.12 = 1,420.44 : x
  2. Step 2: Convert to fraction form
    2,599.37/3,587.12 = 1,420.44/x
  3. Step 3: Cross multiply
    2,599.37x = 3,587.12 × 1,420.44
  4. Step 4: Simplify right side
    2,599.37x = 5,095,293.68
  5. Step 5: Solve for x
    x = 5,095,293.68/2,599.37
  6. Step 6: Final answer
    x = 1,960.20

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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.