Home / 1,802.08-2,486.90-1,016.15

Finding the Fourth Proportional to 1,802.08, 2,486.90 and 1,016.15

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Solution

The fourth proportional to 1,802.08, 2,486.90 and 1,016.15 is: 1,402.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802.08 : 2,486.90 = 1,016.15 : x
  2. Step 2: Convert to fraction form
    1,802.08/2,486.90 = 1,016.15/x
  3. Step 3: Cross multiply
    1,802.08x = 2,486.90 × 1,016.15
  4. Step 4: Simplify right side
    1,802.08x = 2,527,053.54
  5. Step 5: Solve for x
    x = 2,527,053.54/1,802.08
  6. Step 6: Final answer
    x = 1,402.30

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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.