Home / 3,643.08-5,029.59-3,432.89

Finding the Fourth Proportional to 3,643.08, 5,029.59 and 3,432.89

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Solution

The fourth proportional to 3,643.08, 5,029.59 and 3,432.89 is: 4,739.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.08 : 5,029.59 = 3,432.89 : x
  2. Step 2: Convert to fraction form
    3,643.08/5,029.59 = 3,432.89/x
  3. Step 3: Cross multiply
    3,643.08x = 5,029.59 × 3,432.89
  4. Step 4: Simplify right side
    3,643.08x = 17,266,029.22
  5. Step 5: Solve for x
    x = 17,266,029.22/3,643.08
  6. Step 6: Final answer
    x = 4,739.40

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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.