Home / 3,485.81-4,810.46-1,913.94

Finding the Fourth Proportional to 3,485.81, 4,810.46 and 1,913.94

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Solution

The fourth proportional to 3,485.81, 4,810.46 and 1,913.94 is: 2,641.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.81 : 4,810.46 = 1,913.94 : x
  2. Step 2: Convert to fraction form
    3,485.81/4,810.46 = 1,913.94/x
  3. Step 3: Cross multiply
    3,485.81x = 4,810.46 × 1,913.94
  4. Step 4: Simplify right side
    3,485.81x = 9,206,922.24
  5. Step 5: Solve for x
    x = 9,206,922.24/3,485.81
  6. Step 6: Final answer
    x = 2,641.26

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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.