Home / 1,135.02-1,566.36-692.60

Finding the Fourth Proportional to 1,135.02, 1,566.36 and 692.60

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Solution

The fourth proportional to 1,135.02, 1,566.36 and 692.60 is: 955.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135.02 : 1,566.36 = 692.60 : x
  2. Step 2: Convert to fraction form
    1,135.02/1,566.36 = 692.60/x
  3. Step 3: Cross multiply
    1,135.02x = 1,566.36 × 692.60
  4. Step 4: Simplify right side
    1,135.02x = 1,084,860.94
  5. Step 5: Solve for x
    x = 1,084,860.94/1,135.02
  6. Step 6: Final answer
    x = 955.81

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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.