Home / 2,368.86-3,268.64-1,424.42

Finding the Fourth Proportional to 2,368.86, 3,268.64 and 1,424.42

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Solution

The fourth proportional to 2,368.86, 3,268.64 and 1,424.42 is: 1,965.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368.86 : 3,268.64 = 1,424.42 : x
  2. Step 2: Convert to fraction form
    2,368.86/3,268.64 = 1,424.42/x
  3. Step 3: Cross multiply
    2,368.86x = 3,268.64 × 1,424.42
  4. Step 4: Simplify right side
    2,368.86x = 4,655,916.19
  5. Step 5: Solve for x
    x = 4,655,916.19/2,368.86
  6. Step 6: Final answer
    x = 1,965.47

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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.