Home / 2,036.34-2,808.88-1,289.02

Finding the Fourth Proportional to 2,036.34, 2,808.88 and 1,289.02

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Solution

The fourth proportional to 2,036.34, 2,808.88 and 1,289.02 is: 1,778.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,036.34 : 2,808.88 = 1,289.02 : x
  2. Step 2: Convert to fraction form
    2,036.34/2,808.88 = 1,289.02/x
  3. Step 3: Cross multiply
    2,036.34x = 2,808.88 × 1,289.02
  4. Step 4: Simplify right side
    2,036.34x = 3,620,702.50
  5. Step 5: Solve for x
    x = 3,620,702.50/2,036.34
  6. Step 6: Final answer
    x = 1,778.04

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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.