Home / 1,539.95-2,298.08-1,375.92

Finding the Fourth Proportional to 1,539.95, 2,298.08 and 1,375.92

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Solution

The fourth proportional to 1,539.95, 2,298.08 and 1,375.92 is: 2,053.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539.95 : 2,298.08 = 1,375.92 : x
  2. Step 2: Convert to fraction form
    1,539.95/2,298.08 = 1,375.92/x
  3. Step 3: Cross multiply
    1,539.95x = 2,298.08 × 1,375.92
  4. Step 4: Simplify right side
    1,539.95x = 3,161,977.67
  5. Step 5: Solve for x
    x = 3,161,977.67/1,539.95
  6. Step 6: Final answer
    x = 2,053.31

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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.