Home / 2,268.80-3,131.02-1,482.40

Finding the Fourth Proportional to 2,268.80, 3,131.02 and 1,482.40

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Solution

The fourth proportional to 2,268.80, 3,131.02 and 1,482.40 is: 2,045.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.80 : 3,131.02 = 1,482.40 : x
  2. Step 2: Convert to fraction form
    2,268.80/3,131.02 = 1,482.40/x
  3. Step 3: Cross multiply
    2,268.80x = 3,131.02 × 1,482.40
  4. Step 4: Simplify right side
    2,268.80x = 4,641,424.05
  5. Step 5: Solve for x
    x = 4,641,424.05/2,268.80
  6. Step 6: Final answer
    x = 2,045.76

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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.