Home / 1,551.18-2,314.80-1,384.87

Finding the Fourth Proportional to 1,551.18, 2,314.80 and 1,384.87

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Solution

The fourth proportional to 1,551.18, 2,314.80 and 1,384.87 is: 2,066.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551.18 : 2,314.80 = 1,384.87 : x
  2. Step 2: Convert to fraction form
    1,551.18/2,314.80 = 1,384.87/x
  3. Step 3: Cross multiply
    1,551.18x = 2,314.80 × 1,384.87
  4. Step 4: Simplify right side
    1,551.18x = 3,205,706.03
  5. Step 5: Solve for x
    x = 3,205,706.03/1,551.18
  6. Step 6: Final answer
    x = 2,066.63

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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.