Home / 1,487.16-2,051.64-927.23

Finding the Fourth Proportional to 1,487.16, 2,051.64 and 927.23

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Solution

The fourth proportional to 1,487.16, 2,051.64 and 927.23 is: 1,279.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487.16 : 2,051.64 = 927.23 : x
  2. Step 2: Convert to fraction form
    1,487.16/2,051.64 = 927.23/x
  3. Step 3: Cross multiply
    1,487.16x = 2,051.64 × 927.23
  4. Step 4: Simplify right side
    1,487.16x = 1,902,331.90
  5. Step 5: Solve for x
    x = 1,902,331.90/1,487.16
  6. Step 6: Final answer
    x = 1,279.17

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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.