Home / 1,931.64-2,897.36-1,344.92

Finding the Fourth Proportional to 1,931.64, 2,897.36 and 1,344.92

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Solution

The fourth proportional to 1,931.64, 2,897.36 and 1,344.92 is: 2,017.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931.64 : 2,897.36 = 1,344.92 : x
  2. Step 2: Convert to fraction form
    1,931.64/2,897.36 = 1,344.92/x
  3. Step 3: Cross multiply
    1,931.64x = 2,897.36 × 1,344.92
  4. Step 4: Simplify right side
    1,931.64x = 3,896,717.41
  5. Step 5: Solve for x
    x = 3,896,717.41/1,931.64
  6. Step 6: Final answer
    x = 2,017.31

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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.