Home / 1,575.46-2,173.23-1,077.82

Finding the Fourth Proportional to 1,575.46, 2,173.23 and 1,077.82

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Solution

The fourth proportional to 1,575.46, 2,173.23 and 1,077.82 is: 1,486.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575.46 : 2,173.23 = 1,077.82 : x
  2. Step 2: Convert to fraction form
    1,575.46/2,173.23 = 1,077.82/x
  3. Step 3: Cross multiply
    1,575.46x = 2,173.23 × 1,077.82
  4. Step 4: Simplify right side
    1,575.46x = 2,342,350.76
  5. Step 5: Solve for x
    x = 2,342,350.76/1,575.46
  6. Step 6: Final answer
    x = 1,486.77

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1.5x scale

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.