Home / 2,848.59-3,932.10-1,800.45

Finding the Fourth Proportional to 2,848.59, 3,932.10 and 1,800.45

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Solution

The fourth proportional to 2,848.59, 3,932.10 and 1,800.45 is: 2,485.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.59 : 3,932.10 = 1,800.45 : x
  2. Step 2: Convert to fraction form
    2,848.59/3,932.10 = 1,800.45/x
  3. Step 3: Cross multiply
    2,848.59x = 3,932.10 × 1,800.45
  4. Step 4: Simplify right side
    2,848.59x = 7,079,549.45
  5. Step 5: Solve for x
    x = 7,079,549.45/2,848.59
  6. Step 6: Final answer
    x = 2,485.28

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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.