Home / 3,485.01-5,228.54-1,403.94

Finding the Fourth Proportional to 3,485.01, 5,228.54 and 1,403.94

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Solution

The fourth proportional to 3,485.01, 5,228.54 and 1,403.94 is: 2,106.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.01 : 5,228.54 = 1,403.94 : x
  2. Step 2: Convert to fraction form
    3,485.01/5,228.54 = 1,403.94/x
  3. Step 3: Cross multiply
    3,485.01x = 5,228.54 × 1,403.94
  4. Step 4: Simplify right side
    3,485.01x = 7,340,549.43
  5. Step 5: Solve for x
    x = 7,340,549.43/3,485.01
  6. Step 6: Final answer
    x = 2,106.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.