Home / 2,014.95-2,779.66-1,425.81

Finding the Fourth Proportional to 2,014.95, 2,779.66 and 1,425.81

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Solution

The fourth proportional to 2,014.95, 2,779.66 and 1,425.81 is: 1,966.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014.95 : 2,779.66 = 1,425.81 : x
  2. Step 2: Convert to fraction form
    2,014.95/2,779.66 = 1,425.81/x
  3. Step 3: Cross multiply
    2,014.95x = 2,779.66 × 1,425.81
  4. Step 4: Simplify right side
    2,014.95x = 3,963,267.02
  5. Step 5: Solve for x
    x = 3,963,267.02/2,014.95
  6. Step 6: Final answer
    x = 1,966.93

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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.