Home / 2,139.18-2,952.04-1,194.99

Finding the Fourth Proportional to 2,139.18, 2,952.04 and 1,194.99

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Solution

The fourth proportional to 2,139.18, 2,952.04 and 1,194.99 is: 1,649.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139.18 : 2,952.04 = 1,194.99 : x
  2. Step 2: Convert to fraction form
    2,139.18/2,952.04 = 1,194.99/x
  3. Step 3: Cross multiply
    2,139.18x = 2,952.04 × 1,194.99
  4. Step 4: Simplify right side
    2,139.18x = 3,527,655.36
  5. Step 5: Solve for x
    x = 3,527,655.36/2,139.18
  6. Step 6: Final answer
    x = 1,649.07

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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.