Home / 3,510.52-5,261.73-1,317.85

Finding the Fourth Proportional to 3,510.52, 5,261.73 and 1,317.85

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Solution

The fourth proportional to 3,510.52, 5,261.73 and 1,317.85 is: 1,975.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510.52 : 5,261.73 = 1,317.85 : x
  2. Step 2: Convert to fraction form
    3,510.52/5,261.73 = 1,317.85/x
  3. Step 3: Cross multiply
    3,510.52x = 5,261.73 × 1,317.85
  4. Step 4: Simplify right side
    3,510.52x = 6,934,152.78
  5. Step 5: Solve for x
    x = 6,934,152.78/3,510.52
  6. Step 6: Final answer
    x = 1,975.25

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1.5x scale

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.