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Finding the Fourth Proportional to 1,704.47, 2,555.89 and 973.85

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Solution

The fourth proportional to 1,704.47, 2,555.89 and 973.85 is: 1,460.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704.47 : 2,555.89 = 973.85 : x
  2. Step 2: Convert to fraction form
    1,704.47/2,555.89 = 973.85/x
  3. Step 3: Cross multiply
    1,704.47x = 2,555.89 × 973.85
  4. Step 4: Simplify right side
    1,704.47x = 2,489,038.26
  5. Step 5: Solve for x
    x = 2,489,038.26/1,704.47
  6. Step 6: Final answer
    x = 1,460.30

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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.