Home / 2,045.34-2,821.95-1,206.12

Finding the Fourth Proportional to 2,045.34, 2,821.95 and 1,206.12

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Solution

The fourth proportional to 2,045.34, 2,821.95 and 1,206.12 is: 1,664.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.34 : 2,821.95 = 1,206.12 : x
  2. Step 2: Convert to fraction form
    2,045.34/2,821.95 = 1,206.12/x
  3. Step 3: Cross multiply
    2,045.34x = 2,821.95 × 1,206.12
  4. Step 4: Simplify right side
    2,045.34x = 3,403,610.33
  5. Step 5: Solve for x
    x = 3,403,610.33/2,045.34
  6. Step 6: Final answer
    x = 1,664.08

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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.