Home / 1,780.02-2,666.79-1,741.14

Finding the Fourth Proportional to 1,780.02, 2,666.79 and 1,741.14

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Solution

The fourth proportional to 1,780.02, 2,666.79 and 1,741.14 is: 2,608.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780.02 : 2,666.79 = 1,741.14 : x
  2. Step 2: Convert to fraction form
    1,780.02/2,666.79 = 1,741.14/x
  3. Step 3: Cross multiply
    1,780.02x = 2,666.79 × 1,741.14
  4. Step 4: Simplify right side
    1,780.02x = 4,643,254.74
  5. Step 5: Solve for x
    x = 4,643,254.74/1,780.02
  6. Step 6: Final answer
    x = 2,608.54

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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.