Home / 2,616.02-3,610.06-1,420.98

Finding the Fourth Proportional to 2,616.02, 3,610.06 and 1,420.98

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Solution

The fourth proportional to 2,616.02, 3,610.06 and 1,420.98 is: 1,960.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616.02 : 3,610.06 = 1,420.98 : x
  2. Step 2: Convert to fraction form
    2,616.02/3,610.06 = 1,420.98/x
  3. Step 3: Cross multiply
    2,616.02x = 3,610.06 × 1,420.98
  4. Step 4: Simplify right side
    2,616.02x = 5,129,823.06
  5. Step 5: Solve for x
    x = 5,129,823.06/2,616.02
  6. Step 6: Final answer
    x = 1,960.93

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1.5x scale

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.