Home / 1,477.30-2,213.52-1,043.68

Finding the Fourth Proportional to 1,477.30, 2,213.52 and 1,043.68

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Solution

The fourth proportional to 1,477.30, 2,213.52 and 1,043.68 is: 1,563.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477.30 : 2,213.52 = 1,043.68 : x
  2. Step 2: Convert to fraction form
    1,477.30/2,213.52 = 1,043.68/x
  3. Step 3: Cross multiply
    1,477.30x = 2,213.52 × 1,043.68
  4. Step 4: Simplify right side
    1,477.30x = 2,310,206.55
  5. Step 5: Solve for x
    x = 2,310,206.55/1,477.30
  6. Step 6: Final answer
    x = 1,563.80

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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.