Home / 3,895.08-5,374.44-2,402.40

Finding the Fourth Proportional to 3,895.08, 5,374.44 and 2,402.40

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Solution

The fourth proportional to 3,895.08, 5,374.44 and 2,402.40 is: 3,314.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.08 : 5,374.44 = 2,402.40 : x
  2. Step 2: Convert to fraction form
    3,895.08/5,374.44 = 2,402.40/x
  3. Step 3: Cross multiply
    3,895.08x = 5,374.44 × 2,402.40
  4. Step 4: Simplify right side
    3,895.08x = 12,911,554.66
  5. Step 5: Solve for x
    x = 12,911,554.66/3,895.08
  6. Step 6: Final answer
    x = 3,314.84

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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.