Home / 3,049.62-4,208.67-1,870.53

Finding the Fourth Proportional to 3,049.62, 4,208.67 and 1,870.53

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Solution

The fourth proportional to 3,049.62, 4,208.67 and 1,870.53 is: 2,581.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.62 : 4,208.67 = 1,870.53 : x
  2. Step 2: Convert to fraction form
    3,049.62/4,208.67 = 1,870.53/x
  3. Step 3: Cross multiply
    3,049.62x = 4,208.67 × 1,870.53
  4. Step 4: Simplify right side
    3,049.62x = 7,872,443.50
  5. Step 5: Solve for x
    x = 7,872,443.50/3,049.62
  6. Step 6: Final answer
    x = 2,581.45

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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.