Home / 3,391.13-4,681.93-2,328.55

Finding the Fourth Proportional to 3,391.13, 4,681.93 and 2,328.55

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Solution

The fourth proportional to 3,391.13, 4,681.93 and 2,328.55 is: 3,214.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.13 : 4,681.93 = 2,328.55 : x
  2. Step 2: Convert to fraction form
    3,391.13/4,681.93 = 2,328.55/x
  3. Step 3: Cross multiply
    3,391.13x = 4,681.93 × 2,328.55
  4. Step 4: Simplify right side
    3,391.13x = 10,902,108.10
  5. Step 5: Solve for x
    x = 10,902,108.10/3,391.13
  6. Step 6: Final answer
    x = 3,214.89

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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.