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Finding the Fourth Proportional to 1,602.37, 2,392.86 and 1,520.36

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Solution

The fourth proportional to 1,602.37, 2,392.86 and 1,520.36 is: 2,270.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602.37 : 2,392.86 = 1,520.36 : x
  2. Step 2: Convert to fraction form
    1,602.37/2,392.86 = 1,520.36/x
  3. Step 3: Cross multiply
    1,602.37x = 2,392.86 × 1,520.36
  4. Step 4: Simplify right side
    1,602.37x = 3,637,996.67
  5. Step 5: Solve for x
    x = 3,637,996.67/1,602.37
  6. Step 6: Final answer
    x = 2,270.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.