Home / 1,989.46-2,984.58-602.64

Finding the Fourth Proportional to 1,989.46, 2,984.58 and 602.64

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Solution

The fourth proportional to 1,989.46, 2,984.58 and 602.64 is: 904.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989.46 : 2,984.58 = 602.64 : x
  2. Step 2: Convert to fraction form
    1,989.46/2,984.58 = 602.64/x
  3. Step 3: Cross multiply
    1,989.46x = 2,984.58 × 602.64
  4. Step 4: Simplify right side
    1,989.46x = 1,798,627.29
  5. Step 5: Solve for x
    x = 1,798,627.29/1,989.46
  6. Step 6: Final answer
    x = 904.08

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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.