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Finding the Fourth Proportional to 2,681.95, 3,701.27 and 1,503.10

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Solution

The fourth proportional to 2,681.95, 3,701.27 and 1,503.10 is: 2,074.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.95 : 3,701.27 = 1,503.10 : x
  2. Step 2: Convert to fraction form
    2,681.95/3,701.27 = 1,503.10/x
  3. Step 3: Cross multiply
    2,681.95x = 3,701.27 × 1,503.10
  4. Step 4: Simplify right side
    2,681.95x = 5,563,378.94
  5. Step 5: Solve for x
    x = 5,563,378.94/2,681.95
  6. Step 6: Final answer
    x = 2,074.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.