Home / 2,984.60-4,116.50-1,804.20

Finding the Fourth Proportional to 2,984.60, 4,116.50 and 1,804.20

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Solution

The fourth proportional to 2,984.60, 4,116.50 and 1,804.20 is: 2,488.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.60 : 4,116.50 = 1,804.20 : x
  2. Step 2: Convert to fraction form
    2,984.60/4,116.50 = 1,804.20/x
  3. Step 3: Cross multiply
    2,984.60x = 4,116.50 × 1,804.20
  4. Step 4: Simplify right side
    2,984.60x = 7,426,989.30
  5. Step 5: Solve for x
    x = 7,426,989.30/2,984.60
  6. Step 6: Final answer
    x = 2,488.44

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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.