Home / 3,312.24-4,571.13-1,985.92

Finding the Fourth Proportional to 3,312.24, 4,571.13 and 1,985.92

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Solution

The fourth proportional to 3,312.24, 4,571.13 and 1,985.92 is: 2,740.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.24 : 4,571.13 = 1,985.92 : x
  2. Step 2: Convert to fraction form
    3,312.24/4,571.13 = 1,985.92/x
  3. Step 3: Cross multiply
    3,312.24x = 4,571.13 × 1,985.92
  4. Step 4: Simplify right side
    3,312.24x = 9,077,894.51
  5. Step 5: Solve for x
    x = 9,077,894.51/3,312.24
  6. Step 6: Final answer
    x = 2,740.71

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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.