Home / 2,037.01-2,811.08-1,290.19

Finding the Fourth Proportional to 2,037.01, 2,811.08 and 1,290.19

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Solution

The fourth proportional to 2,037.01, 2,811.08 and 1,290.19 is: 1,780.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037.01 : 2,811.08 = 1,290.19 : x
  2. Step 2: Convert to fraction form
    2,037.01/2,811.08 = 1,290.19/x
  3. Step 3: Cross multiply
    2,037.01x = 2,811.08 × 1,290.19
  4. Step 4: Simplify right side
    2,037.01x = 3,626,806.80
  5. Step 5: Solve for x
    x = 3,626,806.80/2,037.01
  6. Step 6: Final answer
    x = 1,780.46

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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.