Home / 3,162.68-4,740.39-1,927.35

Finding the Fourth Proportional to 3,162.68, 4,740.39 and 1,927.35

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Solution

The fourth proportional to 3,162.68, 4,740.39 and 1,927.35 is: 2,888.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.68 : 4,740.39 = 1,927.35 : x
  2. Step 2: Convert to fraction form
    3,162.68/4,740.39 = 1,927.35/x
  3. Step 3: Cross multiply
    3,162.68x = 4,740.39 × 1,927.35
  4. Step 4: Simplify right side
    3,162.68x = 9,136,390.67
  5. Step 5: Solve for x
    x = 9,136,390.67/3,162.68
  6. Step 6: Final answer
    x = 2,888.82

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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.