Home / 1,821.36-2,513.70-1,035.48

Finding the Fourth Proportional to 1,821.36, 2,513.70 and 1,035.48

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Solution

The fourth proportional to 1,821.36, 2,513.70 and 1,035.48 is: 1,429.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821.36 : 2,513.70 = 1,035.48 : x
  2. Step 2: Convert to fraction form
    1,821.36/2,513.70 = 1,035.48/x
  3. Step 3: Cross multiply
    1,821.36x = 2,513.70 × 1,035.48
  4. Step 4: Simplify right side
    1,821.36x = 2,602,886.08
  5. Step 5: Solve for x
    x = 2,602,886.08/1,821.36
  6. Step 6: Final answer
    x = 1,429.09

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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.