Home / 3,485.50-4,810.80-2,368.30

Finding the Fourth Proportional to 3,485.50, 4,810.80 and 2,368.30

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Solution

The fourth proportional to 3,485.50, 4,810.80 and 2,368.30 is: 3,268.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.50 : 4,810.80 = 2,368.30 : x
  2. Step 2: Convert to fraction form
    3,485.50/4,810.80 = 2,368.30/x
  3. Step 3: Cross multiply
    3,485.50x = 4,810.80 × 2,368.30
  4. Step 4: Simplify right side
    3,485.50x = 11,393,417.64
  5. Step 5: Solve for x
    x = 11,393,417.64/3,485.50
  6. Step 6: Final answer
    x = 3,268.80

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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.