Home / 1,494.71-2,238.99-1,385.36

Finding the Fourth Proportional to 1,494.71, 2,238.99 and 1,385.36

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Solution

The fourth proportional to 1,494.71, 2,238.99 and 1,385.36 is: 2,075.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494.71 : 2,238.99 = 1,385.36 : x
  2. Step 2: Convert to fraction form
    1,494.71/2,238.99 = 1,385.36/x
  3. Step 3: Cross multiply
    1,494.71x = 2,238.99 × 1,385.36
  4. Step 4: Simplify right side
    1,494.71x = 3,101,807.19
  5. Step 5: Solve for x
    x = 3,101,807.19/1,494.71
  6. Step 6: Final answer
    x = 2,075.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.