Home / 1,875.07-2,813.28-1,179.55

Finding the Fourth Proportional to 1,875.07, 2,813.28 and 1,179.55

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Solution

The fourth proportional to 1,875.07, 2,813.28 and 1,179.55 is: 1,769.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.07 : 2,813.28 = 1,179.55 : x
  2. Step 2: Convert to fraction form
    1,875.07/2,813.28 = 1,179.55/x
  3. Step 3: Cross multiply
    1,875.07x = 2,813.28 × 1,179.55
  4. Step 4: Simplify right side
    1,875.07x = 3,318,404.42
  5. Step 5: Solve for x
    x = 3,318,404.42/1,875.07
  6. Step 6: Final answer
    x = 1,769.75

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1.5x scale

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.