Home / 1,990.14-2,984.13-603.06

Finding the Fourth Proportional to 1,990.14, 2,984.13 and 603.06

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Solution

The fourth proportional to 1,990.14, 2,984.13 and 603.06 is: 904.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990.14 : 2,984.13 = 603.06 : x
  2. Step 2: Convert to fraction form
    1,990.14/2,984.13 = 603.06/x
  3. Step 3: Cross multiply
    1,990.14x = 2,984.13 × 603.06
  4. Step 4: Simplify right side
    1,990.14x = 1,799,609.44
  5. Step 5: Solve for x
    x = 1,799,609.44/1,990.14
  6. Step 6: Final answer
    x = 904.26

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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.