Home / 1,802.20-2,487.03-1,016.23

Finding the Fourth Proportional to 1,802.20, 2,487.03 and 1,016.23

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Solution

The fourth proportional to 1,802.20, 2,487.03 and 1,016.23 is: 1,402.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802.20 : 2,487.03 = 1,016.23 : x
  2. Step 2: Convert to fraction form
    1,802.20/2,487.03 = 1,016.23/x
  3. Step 3: Cross multiply
    1,802.20x = 2,487.03 × 1,016.23
  4. Step 4: Simplify right side
    1,802.20x = 2,527,394.50
  5. Step 5: Solve for x
    x = 2,527,394.50/1,802.20
  6. Step 6: Final answer
    x = 1,402.39

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Half scale
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Double scale
Find fourth proportional to 1,803.20, 2,488.41 and 1,017.23
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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.