Home / 3,931.53-5,897.39-1,298.19

Finding the Fourth Proportional to 3,931.53, 5,897.39 and 1,298.19

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Solution

The fourth proportional to 3,931.53, 5,897.39 and 1,298.19 is: 1,947.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.53 : 5,897.39 = 1,298.19 : x
  2. Step 2: Convert to fraction form
    3,931.53/5,897.39 = 1,298.19/x
  3. Step 3: Cross multiply
    3,931.53x = 5,897.39 × 1,298.19
  4. Step 4: Simplify right side
    3,931.53x = 7,655,926.23
  5. Step 5: Solve for x
    x = 7,655,926.23/3,931.53
  6. Step 6: Final answer
    x = 1,947.31

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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.