Home / 2,779.70-4,167.98-1,134.32

Finding the Fourth Proportional to 2,779.70, 4,167.98 and 1,134.32

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Solution

The fourth proportional to 2,779.70, 4,167.98 and 1,134.32 is: 1,700.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.70 : 4,167.98 = 1,134.32 : x
  2. Step 2: Convert to fraction form
    2,779.70/4,167.98 = 1,134.32/x
  3. Step 3: Cross multiply
    2,779.70x = 4,167.98 × 1,134.32
  4. Step 4: Simplify right side
    2,779.70x = 4,727,817.40
  5. Step 5: Solve for x
    x = 4,727,817.40/2,779.70
  6. Step 6: Final answer
    x = 1,700.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.