Home / 1,847.49-2,550.38-1,139.46

Finding the Fourth Proportional to 1,847.49, 2,550.38 and 1,139.46

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Solution

The fourth proportional to 1,847.49, 2,550.38 and 1,139.46 is: 1,572.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847.49 : 2,550.38 = 1,139.46 : x
  2. Step 2: Convert to fraction form
    1,847.49/2,550.38 = 1,139.46/x
  3. Step 3: Cross multiply
    1,847.49x = 2,550.38 × 1,139.46
  4. Step 4: Simplify right side
    1,847.49x = 2,906,055.99
  5. Step 5: Solve for x
    x = 2,906,055.99/1,847.49
  6. Step 6: Final answer
    x = 1,572.98

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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.