Home / 1,505.02-2,252.06-1,242.58

Finding the Fourth Proportional to 1,505.02, 2,252.06 and 1,242.58

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Solution

The fourth proportional to 1,505.02, 2,252.06 and 1,242.58 is: 1,859.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505.02 : 2,252.06 = 1,242.58 : x
  2. Step 2: Convert to fraction form
    1,505.02/2,252.06 = 1,242.58/x
  3. Step 3: Cross multiply
    1,505.02x = 2,252.06 × 1,242.58
  4. Step 4: Simplify right side
    1,505.02x = 2,798,352.87
  5. Step 5: Solve for x
    x = 2,798,352.87/1,505.02
  6. Step 6: Final answer
    x = 1,859.35

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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.