Home / 1,521.98-2,278.52-1,376.07

Finding the Fourth Proportional to 1,521.98, 2,278.52 and 1,376.07

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Solution

The fourth proportional to 1,521.98, 2,278.52 and 1,376.07 is: 2,060.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521.98 : 2,278.52 = 1,376.07 : x
  2. Step 2: Convert to fraction form
    1,521.98/2,278.52 = 1,376.07/x
  3. Step 3: Cross multiply
    1,521.98x = 2,278.52 × 1,376.07
  4. Step 4: Simplify right side
    1,521.98x = 3,135,403.02
  5. Step 5: Solve for x
    x = 3,135,403.02/1,521.98
  6. Step 6: Final answer
    x = 2,060.08

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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.