Home / 3,487.08-4,810.48-2,309.14

Finding the Fourth Proportional to 3,487.08, 4,810.48 and 2,309.14

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Solution

The fourth proportional to 3,487.08, 4,810.48 and 2,309.14 is: 3,185.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.08 : 4,810.48 = 2,309.14 : x
  2. Step 2: Convert to fraction form
    3,487.08/4,810.48 = 2,309.14/x
  3. Step 3: Cross multiply
    3,487.08x = 4,810.48 × 2,309.14
  4. Step 4: Simplify right side
    3,487.08x = 11,108,071.79
  5. Step 5: Solve for x
    x = 11,108,071.79/3,487.08
  6. Step 6: Final answer
    x = 3,185.49

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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.