Home / 3,864.18-5,332.65-2,271.99

Finding the Fourth Proportional to 3,864.18, 5,332.65 and 2,271.99

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Solution

The fourth proportional to 3,864.18, 5,332.65 and 2,271.99 is: 3,135.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.18 : 5,332.65 = 2,271.99 : x
  2. Step 2: Convert to fraction form
    3,864.18/5,332.65 = 2,271.99/x
  3. Step 3: Cross multiply
    3,864.18x = 5,332.65 × 2,271.99
  4. Step 4: Simplify right side
    3,864.18x = 12,115,700.81
  5. Step 5: Solve for x
    x = 12,115,700.81/3,864.18
  6. Step 6: Final answer
    x = 3,135.39

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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.