Home / 2,074.40-2,862.60-1,190.18

Finding the Fourth Proportional to 2,074.40, 2,862.60 and 1,190.18

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Solution

The fourth proportional to 2,074.40, 2,862.60 and 1,190.18 is: 1,642.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074.40 : 2,862.60 = 1,190.18 : x
  2. Step 2: Convert to fraction form
    2,074.40/2,862.60 = 1,190.18/x
  3. Step 3: Cross multiply
    2,074.40x = 2,862.60 × 1,190.18
  4. Step 4: Simplify right side
    2,074.40x = 3,407,009.27
  5. Step 5: Solve for x
    x = 3,407,009.27/2,074.40
  6. Step 6: Final answer
    x = 1,642.41

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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.