Home / 2,050.90-2,829.80-1,211.46

Finding the Fourth Proportional to 2,050.90, 2,829.80 and 1,211.46

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Solution

The fourth proportional to 2,050.90, 2,829.80 and 1,211.46 is: 1,671.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,050.90 : 2,829.80 = 1,211.46 : x
  2. Step 2: Convert to fraction form
    2,050.90/2,829.80 = 1,211.46/x
  3. Step 3: Cross multiply
    2,050.90x = 2,829.80 × 1,211.46
  4. Step 4: Simplify right side
    2,050.90x = 3,428,189.51
  5. Step 5: Solve for x
    x = 3,428,189.51/2,050.90
  6. Step 6: Final answer
    x = 1,671.55

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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.