Home / 2,557.08-3,530.16-1,562.58

Finding the Fourth Proportional to 2,557.08, 3,530.16 and 1,562.58

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Solution

The fourth proportional to 2,557.08, 3,530.16 and 1,562.58 is: 2,157.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557.08 : 3,530.16 = 1,562.58 : x
  2. Step 2: Convert to fraction form
    2,557.08/3,530.16 = 1,562.58/x
  3. Step 3: Cross multiply
    2,557.08x = 3,530.16 × 1,562.58
  4. Step 4: Simplify right side
    2,557.08x = 5,516,157.41
  5. Step 5: Solve for x
    x = 5,516,157.41/2,557.08
  6. Step 6: Final answer
    x = 2,157.21

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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.