Home / 2,901.51-4,351.46-927.14

Finding the Fourth Proportional to 2,901.51, 4,351.46 and 927.14

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Solution

The fourth proportional to 2,901.51, 4,351.46 and 927.14 is: 1,390.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.51 : 4,351.46 = 927.14 : x
  2. Step 2: Convert to fraction form
    2,901.51/4,351.46 = 927.14/x
  3. Step 3: Cross multiply
    2,901.51x = 4,351.46 × 927.14
  4. Step 4: Simplify right side
    2,901.51x = 4,034,386.23
  5. Step 5: Solve for x
    x = 4,034,386.23/2,901.51
  6. Step 6: Final answer
    x = 1,390.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.