Home / 3,073.04-4,239.40-1,813.24

Finding the Fourth Proportional to 3,073.04, 4,239.40 and 1,813.24

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Solution

The fourth proportional to 3,073.04, 4,239.40 and 1,813.24 is: 2,501.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.04 : 4,239.40 = 1,813.24 : x
  2. Step 2: Convert to fraction form
    3,073.04/4,239.40 = 1,813.24/x
  3. Step 3: Cross multiply
    3,073.04x = 4,239.40 × 1,813.24
  4. Step 4: Simplify right side
    3,073.04x = 7,687,049.66
  5. Step 5: Solve for x
    x = 7,687,049.66/3,073.04
  6. Step 6: Final answer
    x = 2,501.45

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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.