Home / 2,169.51-3,246.70-1,774.95

Finding the Fourth Proportional to 2,169.51, 3,246.70 and 1,774.95

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Solution

The fourth proportional to 2,169.51, 3,246.70 and 1,774.95 is: 2,656.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169.51 : 3,246.70 = 1,774.95 : x
  2. Step 2: Convert to fraction form
    2,169.51/3,246.70 = 1,774.95/x
  3. Step 3: Cross multiply
    2,169.51x = 3,246.70 × 1,774.95
  4. Step 4: Simplify right side
    2,169.51x = 5,762,730.17
  5. Step 5: Solve for x
    x = 5,762,730.17/2,169.51
  6. Step 6: Final answer
    x = 2,656.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.