Home / 1,575.08-2,360.46-1,438.28

Finding the Fourth Proportional to 1,575.08, 2,360.46 and 1,438.28

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Solution

The fourth proportional to 1,575.08, 2,360.46 and 1,438.28 is: 2,155.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575.08 : 2,360.46 = 1,438.28 : x
  2. Step 2: Convert to fraction form
    1,575.08/2,360.46 = 1,438.28/x
  3. Step 3: Cross multiply
    1,575.08x = 2,360.46 × 1,438.28
  4. Step 4: Simplify right side
    1,575.08x = 3,395,002.41
  5. Step 5: Solve for x
    x = 3,395,002.41/1,575.08
  6. Step 6: Final answer
    x = 2,155.45

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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.