Home / 3,510.14-5,261.16-1,317.47

Finding the Fourth Proportional to 3,510.14, 5,261.16 and 1,317.47

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Solution

The fourth proportional to 3,510.14, 5,261.16 and 1,317.47 is: 1,974.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510.14 : 5,261.16 = 1,317.47 : x
  2. Step 2: Convert to fraction form
    3,510.14/5,261.16 = 1,317.47/x
  3. Step 3: Cross multiply
    3,510.14x = 5,261.16 × 1,317.47
  4. Step 4: Simplify right side
    3,510.14x = 6,931,438.56
  5. Step 5: Solve for x
    x = 6,931,438.56/3,510.14
  6. Step 6: Final answer
    x = 1,974.69

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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.