Home / 1,561.02-2,341.53-1,072.59

Finding the Fourth Proportional to 1,561.02, 2,341.53 and 1,072.59

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Solution

The fourth proportional to 1,561.02, 2,341.53 and 1,072.59 is: 1,608.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561.02 : 2,341.53 = 1,072.59 : x
  2. Step 2: Convert to fraction form
    1,561.02/2,341.53 = 1,072.59/x
  3. Step 3: Cross multiply
    1,561.02x = 2,341.53 × 1,072.59
  4. Step 4: Simplify right side
    1,561.02x = 2,511,501.66
  5. Step 5: Solve for x
    x = 2,511,501.66/1,561.02
  6. Step 6: Final answer
    x = 1,608.89

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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.