Home / 3,485.48-4,810.04-1,913.58

Finding the Fourth Proportional to 3,485.48, 4,810.04 and 1,913.58

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Solution

The fourth proportional to 3,485.48, 4,810.04 and 1,913.58 is: 2,640.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.48 : 4,810.04 = 1,913.58 : x
  2. Step 2: Convert to fraction form
    3,485.48/4,810.04 = 1,913.58/x
  3. Step 3: Cross multiply
    3,485.48x = 4,810.04 × 1,913.58
  4. Step 4: Simplify right side
    3,485.48x = 9,204,396.34
  5. Step 5: Solve for x
    x = 9,204,396.34/3,485.48
  6. Step 6: Final answer
    x = 2,640.78

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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.