Home / 2,014.51-2,779.93-1,218.03

Finding the Fourth Proportional to 2,014.51, 2,779.93 and 1,218.03

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Solution

The fourth proportional to 2,014.51, 2,779.93 and 1,218.03 is: 1,680.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014.51 : 2,779.93 = 1,218.03 : x
  2. Step 2: Convert to fraction form
    2,014.51/2,779.93 = 1,218.03/x
  3. Step 3: Cross multiply
    2,014.51x = 2,779.93 × 1,218.03
  4. Step 4: Simplify right side
    2,014.51x = 3,386,038.14
  5. Step 5: Solve for x
    x = 3,386,038.14/2,014.51
  6. Step 6: Final answer
    x = 1,680.82

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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.