Home / 3,485.16-4,810.32-2,140.43

Finding the Fourth Proportional to 3,485.16, 4,810.32 and 2,140.43

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Solution

The fourth proportional to 3,485.16, 4,810.32 and 2,140.43 is: 2,954.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.16 : 4,810.32 = 2,140.43 : x
  2. Step 2: Convert to fraction form
    3,485.16/4,810.32 = 2,140.43/x
  3. Step 3: Cross multiply
    3,485.16x = 4,810.32 × 2,140.43
  4. Step 4: Simplify right side
    3,485.16x = 10,296,129.19
  5. Step 5: Solve for x
    x = 10,296,129.19/3,485.16
  6. Step 6: Final answer
    x = 2,954.28

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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.