Home / 2,686.10-3,709.63-1,848.96

Finding the Fourth Proportional to 2,686.10, 3,709.63 and 1,848.96

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Solution

The fourth proportional to 2,686.10, 3,709.63 and 1,848.96 is: 2,553.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.10 : 3,709.63 = 1,848.96 : x
  2. Step 2: Convert to fraction form
    2,686.10/3,709.63 = 1,848.96/x
  3. Step 3: Cross multiply
    2,686.10x = 3,709.63 × 1,848.96
  4. Step 4: Simplify right side
    2,686.10x = 6,858,957.48
  5. Step 5: Solve for x
    x = 6,858,957.48/2,686.10
  6. Step 6: Final answer
    x = 2,553.50

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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.