Home / 2,014.02-2,779.16-1,129.77

Finding the Fourth Proportional to 2,014.02, 2,779.16 and 1,129.77

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Solution

The fourth proportional to 2,014.02, 2,779.16 and 1,129.77 is: 1,558.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014.02 : 2,779.16 = 1,129.77 : x
  2. Step 2: Convert to fraction form
    2,014.02/2,779.16 = 1,129.77/x
  3. Step 3: Cross multiply
    2,014.02x = 2,779.16 × 1,129.77
  4. Step 4: Simplify right side
    2,014.02x = 3,139,805.94
  5. Step 5: Solve for x
    x = 3,139,805.94/2,014.02
  6. Step 6: Final answer
    x = 1,558.97

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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.