Home / 3,487.64-4,813.28-1,995.77

Finding the Fourth Proportional to 3,487.64, 4,813.28 and 1,995.77

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Solution

The fourth proportional to 3,487.64, 4,813.28 and 1,995.77 is: 2,754.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.64 : 4,813.28 = 1,995.77 : x
  2. Step 2: Convert to fraction form
    3,487.64/4,813.28 = 1,995.77/x
  3. Step 3: Cross multiply
    3,487.64x = 4,813.28 × 1,995.77
  4. Step 4: Simplify right side
    3,487.64x = 9,606,165.78
  5. Step 5: Solve for x
    x = 9,606,165.78/3,487.64
  6. Step 6: Final answer
    x = 2,754.35

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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.