Home / 2,599.83-3,587.77-1,420.90

Finding the Fourth Proportional to 2,599.83, 3,587.77 and 1,420.90

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Solution

The fourth proportional to 2,599.83, 3,587.77 and 1,420.90 is: 1,960.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,599.83 : 3,587.77 = 1,420.90 : x
  2. Step 2: Convert to fraction form
    2,599.83/3,587.77 = 1,420.90/x
  3. Step 3: Cross multiply
    2,599.83x = 3,587.77 × 1,420.90
  4. Step 4: Simplify right side
    2,599.83x = 5,097,865.08
  5. Step 5: Solve for x
    x = 5,097,865.08/2,599.83
  6. Step 6: Final answer
    x = 1,960.84

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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.