Home / 1,911.84-2,633.22-1,675.32

Finding the Fourth Proportional to 1,911.84, 2,633.22 and 1,675.32

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Solution

The fourth proportional to 1,911.84, 2,633.22 and 1,675.32 is: 2,307.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911.84 : 2,633.22 = 1,675.32 : x
  2. Step 2: Convert to fraction form
    1,911.84/2,633.22 = 1,675.32/x
  3. Step 3: Cross multiply
    1,911.84x = 2,633.22 × 1,675.32
  4. Step 4: Simplify right side
    1,911.84x = 4,411,486.13
  5. Step 5: Solve for x
    x = 4,411,486.13/1,911.84
  6. Step 6: Final answer
    x = 2,307.46

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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.