Home / 2,389.35-3,297.47-1,798.95

Finding the Fourth Proportional to 2,389.35, 3,297.47 and 1,798.95

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Solution

The fourth proportional to 2,389.35, 3,297.47 and 1,798.95 is: 2,482.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.35 : 3,297.47 = 1,798.95 : x
  2. Step 2: Convert to fraction form
    2,389.35/3,297.47 = 1,798.95/x
  3. Step 3: Cross multiply
    2,389.35x = 3,297.47 × 1,798.95
  4. Step 4: Simplify right side
    2,389.35x = 5,931,974.66
  5. Step 5: Solve for x
    x = 5,931,974.66/2,389.35
  6. Step 6: Final answer
    x = 2,482.67

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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.