Home / 1,535.86-2,300.75-1,355.43

Finding the Fourth Proportional to 1,535.86, 2,300.75 and 1,355.43

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Solution

The fourth proportional to 1,535.86, 2,300.75 and 1,355.43 is: 2,030.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535.86 : 2,300.75 = 1,355.43 : x
  2. Step 2: Convert to fraction form
    1,535.86/2,300.75 = 1,355.43/x
  3. Step 3: Cross multiply
    1,535.86x = 2,300.75 × 1,355.43
  4. Step 4: Simplify right side
    1,535.86x = 3,118,505.57
  5. Step 5: Solve for x
    x = 3,118,505.57/1,535.86
  6. Step 6: Final answer
    x = 2,030.46

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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.