Home / 1,802.07-2,487.25-1,171.50

Finding the Fourth Proportional to 1,802.07, 2,487.25 and 1,171.50

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Solution

The fourth proportional to 1,802.07, 2,487.25 and 1,171.50 is: 1,616.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802.07 : 2,487.25 = 1,171.50 : x
  2. Step 2: Convert to fraction form
    1,802.07/2,487.25 = 1,171.50/x
  3. Step 3: Cross multiply
    1,802.07x = 2,487.25 × 1,171.50
  4. Step 4: Simplify right side
    1,802.07x = 2,913,813.38
  5. Step 5: Solve for x
    x = 2,913,813.38/1,802.07
  6. Step 6: Final answer
    x = 1,616.93

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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.