Home / 1,424.35-2,119.91-1,410.67

Finding the Fourth Proportional to 1,424.35, 2,119.91 and 1,410.67

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Solution

The fourth proportional to 1,424.35, 2,119.91 and 1,410.67 is: 2,099.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424.35 : 2,119.91 = 1,410.67 : x
  2. Step 2: Convert to fraction form
    1,424.35/2,119.91 = 1,410.67/x
  3. Step 3: Cross multiply
    1,424.35x = 2,119.91 × 1,410.67
  4. Step 4: Simplify right side
    1,424.35x = 2,990,482.84
  5. Step 5: Solve for x
    x = 2,990,482.84/1,424.35
  6. Step 6: Final answer
    x = 2,099.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.