Home / 2,130.92-2,941.46-1,575.85

Finding the Fourth Proportional to 2,130.92, 2,941.46 and 1,575.85

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Solution

The fourth proportional to 2,130.92, 2,941.46 and 1,575.85 is: 2,175.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130.92 : 2,941.46 = 1,575.85 : x
  2. Step 2: Convert to fraction form
    2,130.92/2,941.46 = 1,575.85/x
  3. Step 3: Cross multiply
    2,130.92x = 2,941.46 × 1,575.85
  4. Step 4: Simplify right side
    2,130.92x = 4,635,307.36
  5. Step 5: Solve for x
    x = 4,635,307.36/2,130.92
  6. Step 6: Final answer
    x = 2,175.27

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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.