Home / 1,858.02-2,562.66-1,299.48

Finding the Fourth Proportional to 1,858.02, 2,562.66 and 1,299.48

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Solution

The fourth proportional to 1,858.02, 2,562.66 and 1,299.48 is: 1,792.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858.02 : 2,562.66 = 1,299.48 : x
  2. Step 2: Convert to fraction form
    1,858.02/2,562.66 = 1,299.48/x
  3. Step 3: Cross multiply
    1,858.02x = 2,562.66 × 1,299.48
  4. Step 4: Simplify right side
    1,858.02x = 3,330,125.42
  5. Step 5: Solve for x
    x = 3,330,125.42/1,858.02
  6. Step 6: Final answer
    x = 1,792.30

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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.