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Finding the Fourth Proportional to 2,681.49, 4,019.49 and 1,037.40

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Solution

The fourth proportional to 2,681.49, 4,019.49 and 1,037.40 is: 1,555.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.49 : 4,019.49 = 1,037.40 : x
  2. Step 2: Convert to fraction form
    2,681.49/4,019.49 = 1,037.40/x
  3. Step 3: Cross multiply
    2,681.49x = 4,019.49 × 1,037.40
  4. Step 4: Simplify right side
    2,681.49x = 4,169,818.93
  5. Step 5: Solve for x
    x = 4,169,818.93/2,681.49
  6. Step 6: Final answer
    x = 1,555.04

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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.