Home / 2,612.94-3,600.36-2,159.76

Finding the Fourth Proportional to 2,612.94, 3,600.36 and 2,159.76

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Solution

The fourth proportional to 2,612.94, 3,600.36 and 2,159.76 is: 2,975.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612.94 : 3,600.36 = 2,159.76 : x
  2. Step 2: Convert to fraction form
    2,612.94/3,600.36 = 2,159.76/x
  3. Step 3: Cross multiply
    2,612.94x = 3,600.36 × 2,159.76
  4. Step 4: Simplify right side
    2,612.94x = 7,775,913.51
  5. Step 5: Solve for x
    x = 7,775,913.51/2,612.94
  6. Step 6: Final answer
    x = 2,975.93

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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.