Home / 2,577.76-3,557.28-1,529.84

Finding the Fourth Proportional to 2,577.76, 3,557.28 and 1,529.84

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Solution

The fourth proportional to 2,577.76, 3,557.28 and 1,529.84 is: 2,111.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577.76 : 3,557.28 = 1,529.84 : x
  2. Step 2: Convert to fraction form
    2,577.76/3,557.28 = 1,529.84/x
  3. Step 3: Cross multiply
    2,577.76x = 3,557.28 × 1,529.84
  4. Step 4: Simplify right side
    2,577.76x = 5,442,069.24
  5. Step 5: Solve for x
    x = 5,442,069.24/2,577.76
  6. Step 6: Final answer
    x = 2,111.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.