Home / 2,170.19-3,257.55-1,075.34

Finding the Fourth Proportional to 2,170.19, 3,257.55 and 1,075.34

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Solution

The fourth proportional to 2,170.19, 3,257.55 and 1,075.34 is: 1,614.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.19 : 3,257.55 = 1,075.34 : x
  2. Step 2: Convert to fraction form
    2,170.19/3,257.55 = 1,075.34/x
  3. Step 3: Cross multiply
    2,170.19x = 3,257.55 × 1,075.34
  4. Step 4: Simplify right side
    2,170.19x = 3,502,981.96
  5. Step 5: Solve for x
    x = 3,502,981.96/2,170.19
  6. Step 6: Final answer
    x = 1,614.13

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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.