Home / 2,415.42-3,616.77-1,944.35

Finding the Fourth Proportional to 2,415.42, 3,616.77 and 1,944.35

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Solution

The fourth proportional to 2,415.42, 3,616.77 and 1,944.35 is: 2,911.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.42 : 3,616.77 = 1,944.35 : x
  2. Step 2: Convert to fraction form
    2,415.42/3,616.77 = 1,944.35/x
  3. Step 3: Cross multiply
    2,415.42x = 3,616.77 × 1,944.35
  4. Step 4: Simplify right side
    2,415.42x = 7,032,248.67
  5. Step 5: Solve for x
    x = 7,032,248.67/2,415.42
  6. Step 6: Final answer
    x = 2,911.40

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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.