Home / 1,872.10-2,583.10-1,075.67

Finding the Fourth Proportional to 1,872.10, 2,583.10 and 1,075.67

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Solution

The fourth proportional to 1,872.10, 2,583.10 and 1,075.67 is: 1,484.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872.10 : 2,583.10 = 1,075.67 : x
  2. Step 2: Convert to fraction form
    1,872.10/2,583.10 = 1,075.67/x
  3. Step 3: Cross multiply
    1,872.10x = 2,583.10 × 1,075.67
  4. Step 4: Simplify right side
    1,872.10x = 2,778,544.88
  5. Step 5: Solve for x
    x = 2,778,544.88/1,872.10
  6. Step 6: Final answer
    x = 1,484.19

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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.