Home / 2,014.75-2,779.87-1,130.47

Finding the Fourth Proportional to 2,014.75, 2,779.87 and 1,130.47

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Solution

The fourth proportional to 2,014.75, 2,779.87 and 1,130.47 is: 1,559.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014.75 : 2,779.87 = 1,130.47 : x
  2. Step 2: Convert to fraction form
    2,014.75/2,779.87 = 1,130.47/x
  3. Step 3: Cross multiply
    2,014.75x = 2,779.87 × 1,130.47
  4. Step 4: Simplify right side
    2,014.75x = 3,142,559.64
  5. Step 5: Solve for x
    x = 3,142,559.64/2,014.75
  6. Step 6: Final answer
    x = 1,559.78

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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.