Home / 2,483.85-3,428.02-1,489.65

Finding the Fourth Proportional to 2,483.85, 3,428.02 and 1,489.65

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Solution

The fourth proportional to 2,483.85, 3,428.02 and 1,489.65 is: 2,055.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,483.85 : 3,428.02 = 1,489.65 : x
  2. Step 2: Convert to fraction form
    2,483.85/3,428.02 = 1,489.65/x
  3. Step 3: Cross multiply
    2,483.85x = 3,428.02 × 1,489.65
  4. Step 4: Simplify right side
    2,483.85x = 5,106,549.99
  5. Step 5: Solve for x
    x = 5,106,549.99/2,483.85
  6. Step 6: Final answer
    x = 2,055.90

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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.