Home / 2,687.01-3,707.98-1,848.66

Finding the Fourth Proportional to 2,687.01, 3,707.98 and 1,848.66

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Solution

The fourth proportional to 2,687.01, 3,707.98 and 1,848.66 is: 2,551.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687.01 : 3,707.98 = 1,848.66 : x
  2. Step 2: Convert to fraction form
    2,687.01/3,707.98 = 1,848.66/x
  3. Step 3: Cross multiply
    2,687.01x = 3,707.98 × 1,848.66
  4. Step 4: Simplify right side
    2,687.01x = 6,854,775.78
  5. Step 5: Solve for x
    x = 6,854,775.78/2,687.01
  6. Step 6: Final answer
    x = 2,551.08

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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.