Home / 2,014.16-2,779.56-1,129.93

Finding the Fourth Proportional to 2,014.16, 2,779.56 and 1,129.93

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Solution

The fourth proportional to 2,014.16, 2,779.56 and 1,129.93 is: 1,559.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014.16 : 2,779.56 = 1,129.93 : x
  2. Step 2: Convert to fraction form
    2,014.16/2,779.56 = 1,129.93/x
  3. Step 3: Cross multiply
    2,014.16x = 2,779.56 × 1,129.93
  4. Step 4: Simplify right side
    2,014.16x = 3,140,701.28
  5. Step 5: Solve for x
    x = 3,140,701.28/2,014.16
  6. Step 6: Final answer
    x = 1,559.31

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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.