Home / 1,607.28-2,409.15-1,051.32

Finding the Fourth Proportional to 1,607.28, 2,409.15 and 1,051.32

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Solution

The fourth proportional to 1,607.28, 2,409.15 and 1,051.32 is: 1,575.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607.28 : 2,409.15 = 1,051.32 : x
  2. Step 2: Convert to fraction form
    1,607.28/2,409.15 = 1,051.32/x
  3. Step 3: Cross multiply
    1,607.28x = 2,409.15 × 1,051.32
  4. Step 4: Simplify right side
    1,607.28x = 2,532,787.58
  5. Step 5: Solve for x
    x = 2,532,787.58/1,607.28
  6. Step 6: Final answer
    x = 1,575.82

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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.