Home / 2,460.02-3,690.30-816.44

Finding the Fourth Proportional to 2,460.02, 3,690.30 and 816.44

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Solution

The fourth proportional to 2,460.02, 3,690.30 and 816.44 is: 1,224.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,460.02 : 3,690.30 = 816.44 : x
  2. Step 2: Convert to fraction form
    2,460.02/3,690.30 = 816.44/x
  3. Step 3: Cross multiply
    2,460.02x = 3,690.30 × 816.44
  4. Step 4: Simplify right side
    2,460.02x = 3,012,908.53
  5. Step 5: Solve for x
    x = 3,012,908.53/2,460.02
  6. Step 6: Final answer
    x = 1,224.75

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1.5x scale

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.