Home / 1,535.02-2,302.53-669.94

Finding the Fourth Proportional to 1,535.02, 2,302.53 and 669.94

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Solution

The fourth proportional to 1,535.02, 2,302.53 and 669.94 is: 1,004.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535.02 : 2,302.53 = 669.94 : x
  2. Step 2: Convert to fraction form
    1,535.02/2,302.53 = 669.94/x
  3. Step 3: Cross multiply
    1,535.02x = 2,302.53 × 669.94
  4. Step 4: Simplify right side
    1,535.02x = 1,542,556.95
  5. Step 5: Solve for x
    x = 1,542,556.95/1,535.02
  6. Step 6: Final answer
    x = 1,004.91

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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.