Home / 1,486.28-2,219.75-1,347.17

Finding the Fourth Proportional to 1,486.28, 2,219.75 and 1,347.17

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Solution

The fourth proportional to 1,486.28, 2,219.75 and 1,347.17 is: 2,011.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486.28 : 2,219.75 = 1,347.17 : x
  2. Step 2: Convert to fraction form
    1,486.28/2,219.75 = 1,347.17/x
  3. Step 3: Cross multiply
    1,486.28x = 2,219.75 × 1,347.17
  4. Step 4: Simplify right side
    1,486.28x = 2,990,362.77
  5. Step 5: Solve for x
    x = 2,990,362.77/1,486.28
  6. Step 6: Final answer
    x = 2,011.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.