Home / 2,113.74-3,170.63-1,383.93

Finding the Fourth Proportional to 2,113.74, 3,170.63 and 1,383.93

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Solution

The fourth proportional to 2,113.74, 3,170.63 and 1,383.93 is: 2,075.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113.74 : 3,170.63 = 1,383.93 : x
  2. Step 2: Convert to fraction form
    2,113.74/3,170.63 = 1,383.93/x
  3. Step 3: Cross multiply
    2,113.74x = 3,170.63 × 1,383.93
  4. Step 4: Simplify right side
    2,113.74x = 4,387,929.98
  5. Step 5: Solve for x
    x = 4,387,929.98/2,113.74
  6. Step 6: Final answer
    x = 2,075.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.