Home / 2,143.84-2,957.26-1,259.46

Finding the Fourth Proportional to 2,143.84, 2,957.26 and 1,259.46

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Solution

The fourth proportional to 2,143.84, 2,957.26 and 1,259.46 is: 1,737.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143.84 : 2,957.26 = 1,259.46 : x
  2. Step 2: Convert to fraction form
    2,143.84/2,957.26 = 1,259.46/x
  3. Step 3: Cross multiply
    2,143.84x = 2,957.26 × 1,259.46
  4. Step 4: Simplify right side
    2,143.84x = 3,724,550.68
  5. Step 5: Solve for x
    x = 3,724,550.68/2,143.84
  6. Step 6: Final answer
    x = 1,737.33

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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.