Home / 4,159.08-5,739.30-2,390.72

Finding the Fourth Proportional to 4,159.08, 5,739.30 and 2,390.72

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Solution

The fourth proportional to 4,159.08, 5,739.30 and 2,390.72 is: 3,299.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.08 : 5,739.30 = 2,390.72 : x
  2. Step 2: Convert to fraction form
    4,159.08/5,739.30 = 2,390.72/x
  3. Step 3: Cross multiply
    4,159.08x = 5,739.30 × 2,390.72
  4. Step 4: Simplify right side
    4,159.08x = 13,721,030.60
  5. Step 5: Solve for x
    x = 13,721,030.60/4,159.08
  6. Step 6: Final answer
    x = 3,299.05

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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.