Home / 2,039.24-2,813.68-1,242.36

Finding the Fourth Proportional to 2,039.24, 2,813.68 and 1,242.36

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Solution

The fourth proportional to 2,039.24, 2,813.68 and 1,242.36 is: 1,714.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.24 : 2,813.68 = 1,242.36 : x
  2. Step 2: Convert to fraction form
    2,039.24/2,813.68 = 1,242.36/x
  3. Step 3: Cross multiply
    2,039.24x = 2,813.68 × 1,242.36
  4. Step 4: Simplify right side
    2,039.24x = 3,495,603.48
  5. Step 5: Solve for x
    x = 3,495,603.48/2,039.24
  6. Step 6: Final answer
    x = 1,714.17

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1.5x scale

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.