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Finding the Fourth Proportional to 2,594.85, 3,580.88 and 1,415.92

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Solution

The fourth proportional to 2,594.85, 3,580.88 and 1,415.92 is: 1,953.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,594.85 : 3,580.88 = 1,415.92 : x
  2. Step 2: Convert to fraction form
    2,594.85/3,580.88 = 1,415.92/x
  3. Step 3: Cross multiply
    2,594.85x = 3,580.88 × 1,415.92
  4. Step 4: Simplify right side
    2,594.85x = 5,070,239.61
  5. Step 5: Solve for x
    x = 5,070,239.61/2,594.85
  6. Step 6: Final answer
    x = 1,953.96

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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.