Home / 1,948.57-2,919.34-1,070.12

Finding the Fourth Proportional to 1,948.57, 2,919.34 and 1,070.12

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Solution

The fourth proportional to 1,948.57, 2,919.34 and 1,070.12 is: 1,603.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948.57 : 2,919.34 = 1,070.12 : x
  2. Step 2: Convert to fraction form
    1,948.57/2,919.34 = 1,070.12/x
  3. Step 3: Cross multiply
    1,948.57x = 2,919.34 × 1,070.12
  4. Step 4: Simplify right side
    1,948.57x = 3,124,044.12
  5. Step 5: Solve for x
    x = 3,124,044.12/1,948.57
  6. Step 6: Final answer
    x = 1,603.25

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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.