Home / 2,278.49-3,417.74-1,303.91

Finding the Fourth Proportional to 2,278.49, 3,417.74 and 1,303.91

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Solution

The fourth proportional to 2,278.49, 3,417.74 and 1,303.91 is: 1,955.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.49 : 3,417.74 = 1,303.91 : x
  2. Step 2: Convert to fraction form
    2,278.49/3,417.74 = 1,303.91/x
  3. Step 3: Cross multiply
    2,278.49x = 3,417.74 × 1,303.91
  4. Step 4: Simplify right side
    2,278.49x = 4,456,431.60
  5. Step 5: Solve for x
    x = 4,456,431.60/2,278.49
  6. Step 6: Final answer
    x = 1,955.87

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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.