Home / 3,651.47-5,041.34-2,810.59

Finding the Fourth Proportional to 3,651.47, 5,041.34 and 2,810.59

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Solution

The fourth proportional to 3,651.47, 5,041.34 and 2,810.59 is: 3,880.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.47 : 5,041.34 = 2,810.59 : x
  2. Step 2: Convert to fraction form
    3,651.47/5,041.34 = 2,810.59/x
  3. Step 3: Cross multiply
    3,651.47x = 5,041.34 × 2,810.59
  4. Step 4: Simplify right side
    3,651.47x = 14,169,125.74
  5. Step 5: Solve for x
    x = 14,169,125.74/3,651.47
  6. Step 6: Final answer
    x = 3,880.39

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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.