Home / 3,073.19-4,239.95-1,814.31

Finding the Fourth Proportional to 3,073.19, 4,239.95 and 1,814.31

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Solution

The fourth proportional to 3,073.19, 4,239.95 and 1,814.31 is: 2,503.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.19 : 4,239.95 = 1,814.31 : x
  2. Step 2: Convert to fraction form
    3,073.19/4,239.95 = 1,814.31/x
  3. Step 3: Cross multiply
    3,073.19x = 4,239.95 × 1,814.31
  4. Step 4: Simplify right side
    3,073.19x = 7,692,574.61
  5. Step 5: Solve for x
    x = 7,692,574.61/3,073.19
  6. Step 6: Final answer
    x = 2,503.13

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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.