Home / 2,037.74-2,810.57-1,291.05

Finding the Fourth Proportional to 2,037.74, 2,810.57 and 1,291.05

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Solution

The fourth proportional to 2,037.74, 2,810.57 and 1,291.05 is: 1,780.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037.74 : 2,810.57 = 1,291.05 : x
  2. Step 2: Convert to fraction form
    2,037.74/2,810.57 = 1,291.05/x
  3. Step 3: Cross multiply
    2,037.74x = 2,810.57 × 1,291.05
  4. Step 4: Simplify right side
    2,037.74x = 3,628,579.94
  5. Step 5: Solve for x
    x = 3,628,579.94/2,037.74
  6. Step 6: Final answer
    x = 1,780.69

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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.