Home / 3,302.22-4,953.78-1,111.57

Finding the Fourth Proportional to 3,302.22, 4,953.78 and 1,111.57

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Solution

The fourth proportional to 3,302.22, 4,953.78 and 1,111.57 is: 1,667.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,302.22 : 4,953.78 = 1,111.57 : x
  2. Step 2: Convert to fraction form
    3,302.22/4,953.78 = 1,111.57/x
  3. Step 3: Cross multiply
    3,302.22x = 4,953.78 × 1,111.57
  4. Step 4: Simplify right side
    3,302.22x = 5,506,491.84
  5. Step 5: Solve for x
    x = 5,506,491.84/3,302.22
  6. Step 6: Final answer
    x = 1,667.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.