Home / 3,263.04-4,501.86-2,128.20

Finding the Fourth Proportional to 3,263.04, 4,501.86 and 2,128.20

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Solution

The fourth proportional to 3,263.04, 4,501.86 and 2,128.20 is: 2,936.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,263.04 : 4,501.86 = 2,128.20 : x
  2. Step 2: Convert to fraction form
    3,263.04/4,501.86 = 2,128.20/x
  3. Step 3: Cross multiply
    3,263.04x = 4,501.86 × 2,128.20
  4. Step 4: Simplify right side
    3,263.04x = 9,580,858.45
  5. Step 5: Solve for x
    x = 9,580,858.45/3,263.04
  6. Step 6: Final answer
    x = 2,936.18

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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.