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Finding the Fourth Proportional to 2,604.81, 3,595.05 and 1,557.48

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Solution

The fourth proportional to 2,604.81, 3,595.05 and 1,557.48 is: 2,149.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,604.81 : 3,595.05 = 1,557.48 : x
  2. Step 2: Convert to fraction form
    2,604.81/3,595.05 = 1,557.48/x
  3. Step 3: Cross multiply
    2,604.81x = 3,595.05 × 1,557.48
  4. Step 4: Simplify right side
    2,604.81x = 5,599,218.47
  5. Step 5: Solve for x
    x = 5,599,218.47/2,604.81
  6. Step 6: Final answer
    x = 2,149.57

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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.