Home / 1,534.45-2,289.90-1,370.42

Finding the Fourth Proportional to 1,534.45, 2,289.90 and 1,370.42

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Solution

The fourth proportional to 1,534.45, 2,289.90 and 1,370.42 is: 2,045.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.45 : 2,289.90 = 1,370.42 : x
  2. Step 2: Convert to fraction form
    1,534.45/2,289.90 = 1,370.42/x
  3. Step 3: Cross multiply
    1,534.45x = 2,289.90 × 1,370.42
  4. Step 4: Simplify right side
    1,534.45x = 3,138,124.76
  5. Step 5: Solve for x
    x = 3,138,124.76/1,534.45
  6. Step 6: Final answer
    x = 2,045.11

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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.