Home / 1,528.58-2,095.70-1,500.90

Finding the Fourth Proportional to 1,528.58, 2,095.70 and 1,500.90

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Solution

The fourth proportional to 1,528.58, 2,095.70 and 1,500.90 is: 2,057.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528.58 : 2,095.70 = 1,500.90 : x
  2. Step 2: Convert to fraction form
    1,528.58/2,095.70 = 1,500.90/x
  3. Step 3: Cross multiply
    1,528.58x = 2,095.70 × 1,500.90
  4. Step 4: Simplify right side
    1,528.58x = 3,145,442.67
  5. Step 5: Solve for x
    x = 3,145,442.67/1,528.58
  6. Step 6: Final answer
    x = 2,057.75

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.