Home / 1,911.02-2,867.79-1,045.94

Finding the Fourth Proportional to 1,911.02, 2,867.79 and 1,045.94

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Solution

The fourth proportional to 1,911.02, 2,867.79 and 1,045.94 is: 1,569.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911.02 : 2,867.79 = 1,045.94 : x
  2. Step 2: Convert to fraction form
    1,911.02/2,867.79 = 1,045.94/x
  3. Step 3: Cross multiply
    1,911.02x = 2,867.79 × 1,045.94
  4. Step 4: Simplify right side
    1,911.02x = 2,999,536.27
  5. Step 5: Solve for x
    x = 2,999,536.27/1,911.02
  6. Step 6: Final answer
    x = 1,569.60

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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.