Home / 1,195.02-1,782.45-1,158.57

Finding the Fourth Proportional to 1,195.02, 1,782.45 and 1,158.57

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Solution

The fourth proportional to 1,195.02, 1,782.45 and 1,158.57 is: 1,728.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195.02 : 1,782.45 = 1,158.57 : x
  2. Step 2: Convert to fraction form
    1,195.02/1,782.45 = 1,158.57/x
  3. Step 3: Cross multiply
    1,195.02x = 1,782.45 × 1,158.57
  4. Step 4: Simplify right side
    1,195.02x = 2,065,093.10
  5. Step 5: Solve for x
    x = 2,065,093.10/1,195.02
  6. Step 6: Final answer
    x = 1,728.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.