Home / 2,136.61-2,947.37-1,473.79

Finding the Fourth Proportional to 2,136.61, 2,947.37 and 1,473.79

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Solution

The fourth proportional to 2,136.61, 2,947.37 and 1,473.79 is: 2,033.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.61 : 2,947.37 = 1,473.79 : x
  2. Step 2: Convert to fraction form
    2,136.61/2,947.37 = 1,473.79/x
  3. Step 3: Cross multiply
    2,136.61x = 2,947.37 × 1,473.79
  4. Step 4: Simplify right side
    2,136.61x = 4,343,793.38
  5. Step 5: Solve for x
    x = 4,343,793.38/2,136.61
  6. Step 6: Final answer
    x = 2,033.04

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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.