Home / 1,385.45-2,073.32-1,075.33

Finding the Fourth Proportional to 1,385.45, 2,073.32 and 1,075.33

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Solution

The fourth proportional to 1,385.45, 2,073.32 and 1,075.33 is: 1,609.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385.45 : 2,073.32 = 1,075.33 : x
  2. Step 2: Convert to fraction form
    1,385.45/2,073.32 = 1,075.33/x
  3. Step 3: Cross multiply
    1,385.45x = 2,073.32 × 1,075.33
  4. Step 4: Simplify right side
    1,385.45x = 2,229,492.64
  5. Step 5: Solve for x
    x = 2,229,492.64/1,385.45
  6. Step 6: Final answer
    x = 1,609.22

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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.