Home / 1,575.16-2,350.78-1,511.58

Finding the Fourth Proportional to 1,575.16, 2,350.78 and 1,511.58

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Solution

The fourth proportional to 1,575.16, 2,350.78 and 1,511.58 is: 2,255.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575.16 : 2,350.78 = 1,511.58 : x
  2. Step 2: Convert to fraction form
    1,575.16/2,350.78 = 1,511.58/x
  3. Step 3: Cross multiply
    1,575.16x = 2,350.78 × 1,511.58
  4. Step 4: Simplify right side
    1,575.16x = 3,553,392.03
  5. Step 5: Solve for x
    x = 3,553,392.03/1,575.16
  6. Step 6: Final answer
    x = 2,255.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.