Home / 1,552.95-2,143.31-1,179.32

Finding the Fourth Proportional to 1,552.95, 2,143.31 and 1,179.32

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Solution

The fourth proportional to 1,552.95, 2,143.31 and 1,179.32 is: 1,627.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552.95 : 2,143.31 = 1,179.32 : x
  2. Step 2: Convert to fraction form
    1,552.95/2,143.31 = 1,179.32/x
  3. Step 3: Cross multiply
    1,552.95x = 2,143.31 × 1,179.32
  4. Step 4: Simplify right side
    1,552.95x = 2,527,631.74
  5. Step 5: Solve for x
    x = 2,527,631.74/1,552.95
  6. Step 6: Final answer
    x = 1,627.63

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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.