Home / 3,952.69-5,455.28-2,359.40

Finding the Fourth Proportional to 3,952.69, 5,455.28 and 2,359.40

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Solution

The fourth proportional to 3,952.69, 5,455.28 and 2,359.40 is: 3,256.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.69 : 5,455.28 = 2,359.40 : x
  2. Step 2: Convert to fraction form
    3,952.69/5,455.28 = 2,359.40/x
  3. Step 3: Cross multiply
    3,952.69x = 5,455.28 × 2,359.40
  4. Step 4: Simplify right side
    3,952.69x = 12,871,187.63
  5. Step 5: Solve for x
    x = 12,871,187.63/3,952.69
  6. Step 6: Final answer
    x = 3,256.32

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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.