Home / 1,051.52-1,451.20-609.60

Finding the Fourth Proportional to 1,051.52, 1,451.20 and 609.60

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Solution

The fourth proportional to 1,051.52, 1,451.20 and 609.60 is: 841.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051.52 : 1,451.20 = 609.60 : x
  2. Step 2: Convert to fraction form
    1,051.52/1,451.20 = 609.60/x
  3. Step 3: Cross multiply
    1,051.52x = 1,451.20 × 609.60
  4. Step 4: Simplify right side
    1,051.52x = 884,651.52
  5. Step 5: Solve for x
    x = 884,651.52/1,051.52
  6. Step 6: Final answer
    x = 841.31

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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.