Home / 1,821.34-2,513.66-1,035.51

Finding the Fourth Proportional to 1,821.34, 2,513.66 and 1,035.51

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Solution

The fourth proportional to 1,821.34, 2,513.66 and 1,035.51 is: 1,429.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821.34 : 2,513.66 = 1,035.51 : x
  2. Step 2: Convert to fraction form
    1,821.34/2,513.66 = 1,035.51/x
  3. Step 3: Cross multiply
    1,821.34x = 2,513.66 × 1,035.51
  4. Step 4: Simplify right side
    1,821.34x = 2,602,910.09
  5. Step 5: Solve for x
    x = 2,602,910.09/1,821.34
  6. Step 6: Final answer
    x = 1,429.12

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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.