Home / 2,368.58-3,268.35-1,320.57

Finding the Fourth Proportional to 2,368.58, 3,268.35 and 1,320.57

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Solution

The fourth proportional to 2,368.58, 3,268.35 and 1,320.57 is: 1,822.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368.58 : 3,268.35 = 1,320.57 : x
  2. Step 2: Convert to fraction form
    2,368.58/3,268.35 = 1,320.57/x
  3. Step 3: Cross multiply
    2,368.58x = 3,268.35 × 1,320.57
  4. Step 4: Simplify right side
    2,368.58x = 4,316,084.96
  5. Step 5: Solve for x
    x = 4,316,084.96/2,368.58
  6. Step 6: Final answer
    x = 1,822.23

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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.