Home / 3,395.15-5,089.56-1,316.51

Finding the Fourth Proportional to 3,395.15, 5,089.56 and 1,316.51

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Solution

The fourth proportional to 3,395.15, 5,089.56 and 1,316.51 is: 1,973.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.15 : 5,089.56 = 1,316.51 : x
  2. Step 2: Convert to fraction form
    3,395.15/5,089.56 = 1,316.51/x
  3. Step 3: Cross multiply
    3,395.15x = 5,089.56 × 1,316.51
  4. Step 4: Simplify right side
    3,395.15x = 6,700,431.19
  5. Step 5: Solve for x
    x = 6,700,431.19/3,395.15
  6. Step 6: Final answer
    x = 1,973.53

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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.