Home / 1,602.51-2,210.65-939.25

Finding the Fourth Proportional to 1,602.51, 2,210.65 and 939.25

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Solution

The fourth proportional to 1,602.51, 2,210.65 and 939.25 is: 1,295.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602.51 : 2,210.65 = 939.25 : x
  2. Step 2: Convert to fraction form
    1,602.51/2,210.65 = 939.25/x
  3. Step 3: Cross multiply
    1,602.51x = 2,210.65 × 939.25
  4. Step 4: Simplify right side
    1,602.51x = 2,076,353.01
  5. Step 5: Solve for x
    x = 2,076,353.01/1,602.51
  6. Step 6: Final answer
    x = 1,295.69

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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.