Home / 2,671.95-4,008.62-1,111.46

Finding the Fourth Proportional to 2,671.95, 4,008.62 and 1,111.46

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Solution

The fourth proportional to 2,671.95, 4,008.62 and 1,111.46 is: 1,667.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671.95 : 4,008.62 = 1,111.46 : x
  2. Step 2: Convert to fraction form
    2,671.95/4,008.62 = 1,111.46/x
  3. Step 3: Cross multiply
    2,671.95x = 4,008.62 × 1,111.46
  4. Step 4: Simplify right side
    2,671.95x = 4,455,403.52
  5. Step 5: Solve for x
    x = 4,455,403.52/2,671.95
  6. Step 6: Final answer
    x = 1,667.47

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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.