Home / 2,136.02-2,947.29-1,204.34

Finding the Fourth Proportional to 2,136.02, 2,947.29 and 1,204.34

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Solution

The fourth proportional to 2,136.02, 2,947.29 and 1,204.34 is: 1,661.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.02 : 2,947.29 = 1,204.34 : x
  2. Step 2: Convert to fraction form
    2,136.02/2,947.29 = 1,204.34/x
  3. Step 3: Cross multiply
    2,136.02x = 2,947.29 × 1,204.34
  4. Step 4: Simplify right side
    2,136.02x = 3,549,539.24
  5. Step 5: Solve for x
    x = 3,549,539.24/2,136.02
  6. Step 6: Final answer
    x = 1,661.75

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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.