Home / 3,203.65-4,421.08-1,877.02

Finding the Fourth Proportional to 3,203.65, 4,421.08 and 1,877.02

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Solution

The fourth proportional to 3,203.65, 4,421.08 and 1,877.02 is: 2,590.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.65 : 4,421.08 = 1,877.02 : x
  2. Step 2: Convert to fraction form
    3,203.65/4,421.08 = 1,877.02/x
  3. Step 3: Cross multiply
    3,203.65x = 4,421.08 × 1,877.02
  4. Step 4: Simplify right side
    3,203.65x = 8,298,471.74
  5. Step 5: Solve for x
    x = 8,298,471.74/3,203.65
  6. Step 6: Final answer
    x = 2,590.32

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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.