Home / 2,190.23-3,281.02-1,643.03

Finding the Fourth Proportional to 2,190.23, 3,281.02 and 1,643.03

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Solution

The fourth proportional to 2,190.23, 3,281.02 and 1,643.03 is: 2,461.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.23 : 3,281.02 = 1,643.03 : x
  2. Step 2: Convert to fraction form
    2,190.23/3,281.02 = 1,643.03/x
  3. Step 3: Cross multiply
    2,190.23x = 3,281.02 × 1,643.03
  4. Step 4: Simplify right side
    2,190.23x = 5,390,814.29
  5. Step 5: Solve for x
    x = 5,390,814.29/2,190.23
  6. Step 6: Final answer
    x = 2,461.30

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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.