Home / 1,920.98-2,651.08-1,070.37

Finding the Fourth Proportional to 1,920.98, 2,651.08 and 1,070.37

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Solution

The fourth proportional to 1,920.98, 2,651.08 and 1,070.37 is: 1,477.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920.98 : 2,651.08 = 1,070.37 : x
  2. Step 2: Convert to fraction form
    1,920.98/2,651.08 = 1,070.37/x
  3. Step 3: Cross multiply
    1,920.98x = 2,651.08 × 1,070.37
  4. Step 4: Simplify right side
    1,920.98x = 2,837,637.84
  5. Step 5: Solve for x
    x = 2,837,637.84/1,920.98
  6. Step 6: Final answer
    x = 1,477.18

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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.