Home / 2,875.38-4,320.36-1,835.88

Finding the Fourth Proportional to 2,875.38, 4,320.36 and 1,835.88

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Solution

The fourth proportional to 2,875.38, 4,320.36 and 1,835.88 is: 2,758.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.38 : 4,320.36 = 1,835.88 : x
  2. Step 2: Convert to fraction form
    2,875.38/4,320.36 = 1,835.88/x
  3. Step 3: Cross multiply
    2,875.38x = 4,320.36 × 1,835.88
  4. Step 4: Simplify right side
    2,875.38x = 7,931,662.52
  5. Step 5: Solve for x
    x = 7,931,662.52/2,875.38
  6. Step 6: Final answer
    x = 2,758.47

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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.