Home / 2,091.74-2,883.48-1,345.46

Finding the Fourth Proportional to 2,091.74, 2,883.48 and 1,345.46

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Solution

The fourth proportional to 2,091.74, 2,883.48 and 1,345.46 is: 1,854.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091.74 : 2,883.48 = 1,345.46 : x
  2. Step 2: Convert to fraction form
    2,091.74/2,883.48 = 1,345.46/x
  3. Step 3: Cross multiply
    2,091.74x = 2,883.48 × 1,345.46
  4. Step 4: Simplify right side
    2,091.74x = 3,879,607.00
  5. Step 5: Solve for x
    x = 3,879,607.00/2,091.74
  6. Step 6: Final answer
    x = 1,854.73

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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.