Home / 1,580.02-2,365.14-1,268.98

Finding the Fourth Proportional to 1,580.02, 2,365.14 and 1,268.98

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Solution

The fourth proportional to 1,580.02, 2,365.14 and 1,268.98 is: 1,899.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580.02 : 2,365.14 = 1,268.98 : x
  2. Step 2: Convert to fraction form
    1,580.02/2,365.14 = 1,268.98/x
  3. Step 3: Cross multiply
    1,580.02x = 2,365.14 × 1,268.98
  4. Step 4: Simplify right side
    1,580.02x = 3,001,315.36
  5. Step 5: Solve for x
    x = 3,001,315.36/1,580.02
  6. Step 6: Final answer
    x = 1,899.54

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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.