Home / 1,947.01-2,684.58-1,572.83

Finding the Fourth Proportional to 1,947.01, 2,684.58 and 1,572.83

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Solution

The fourth proportional to 1,947.01, 2,684.58 and 1,572.83 is: 2,168.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947.01 : 2,684.58 = 1,572.83 : x
  2. Step 2: Convert to fraction form
    1,947.01/2,684.58 = 1,572.83/x
  3. Step 3: Cross multiply
    1,947.01x = 2,684.58 × 1,572.83
  4. Step 4: Simplify right side
    1,947.01x = 4,222,389.12
  5. Step 5: Solve for x
    x = 4,222,389.12/1,947.01
  6. Step 6: Final answer
    x = 2,168.65

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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.