Home / 2,670.30-3,687.36-1,677.30

Finding the Fourth Proportional to 2,670.30, 3,687.36 and 1,677.30

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Solution

The fourth proportional to 2,670.30, 3,687.36 and 1,677.30 is: 2,316.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.30 : 3,687.36 = 1,677.30 : x
  2. Step 2: Convert to fraction form
    2,670.30/3,687.36 = 1,677.30/x
  3. Step 3: Cross multiply
    2,670.30x = 3,687.36 × 1,677.30
  4. Step 4: Simplify right side
    2,670.30x = 6,184,808.93
  5. Step 5: Solve for x
    x = 6,184,808.93/2,670.30
  6. Step 6: Final answer
    x = 2,316.15

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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.