Home / 1,957.10-2,931.09-1,543.39

Finding the Fourth Proportional to 1,957.10, 2,931.09 and 1,543.39

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Solution

The fourth proportional to 1,957.10, 2,931.09 and 1,543.39 is: 2,311.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957.10 : 2,931.09 = 1,543.39 : x
  2. Step 2: Convert to fraction form
    1,957.10/2,931.09 = 1,543.39/x
  3. Step 3: Cross multiply
    1,957.10x = 2,931.09 × 1,543.39
  4. Step 4: Simplify right side
    1,957.10x = 4,523,801.88
  5. Step 5: Solve for x
    x = 4,523,801.88/1,957.10
  6. Step 6: Final answer
    x = 2,311.49

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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.