Home / 3,487.47-4,813.05-1,995.51

Finding the Fourth Proportional to 3,487.47, 4,813.05 and 1,995.51

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Solution

The fourth proportional to 3,487.47, 4,813.05 and 1,995.51 is: 2,754.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.47 : 4,813.05 = 1,995.51 : x
  2. Step 2: Convert to fraction form
    3,487.47/4,813.05 = 1,995.51/x
  3. Step 3: Cross multiply
    3,487.47x = 4,813.05 × 1,995.51
  4. Step 4: Simplify right side
    3,487.47x = 9,604,489.41
  5. Step 5: Solve for x
    x = 9,604,489.41/3,487.47
  6. Step 6: Final answer
    x = 2,754.00

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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.