Home / 2,865.96-4,291.64-2,625.39

Finding the Fourth Proportional to 2,865.96, 4,291.64 and 2,625.39

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Solution

The fourth proportional to 2,865.96, 4,291.64 and 2,625.39 is: 3,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.96 : 4,291.64 = 2,625.39 : x
  2. Step 2: Convert to fraction form
    2,865.96/4,291.64 = 2,625.39/x
  3. Step 3: Cross multiply
    2,865.96x = 4,291.64 × 2,625.39
  4. Step 4: Simplify right side
    2,865.96x = 11,267,228.74
  5. Step 5: Solve for x
    x = 11,267,228.74/2,865.96
  6. Step 6: Final answer
    x = 3,931.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.