Home / 1,740.08-2,607.86-1,520.18

Finding the Fourth Proportional to 1,740.08, 2,607.86 and 1,520.18

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Solution

The fourth proportional to 1,740.08, 2,607.86 and 1,520.18 is: 2,278.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740.08 : 2,607.86 = 1,520.18 : x
  2. Step 2: Convert to fraction form
    1,740.08/2,607.86 = 1,520.18/x
  3. Step 3: Cross multiply
    1,740.08x = 2,607.86 × 1,520.18
  4. Step 4: Simplify right side
    1,740.08x = 3,964,416.61
  5. Step 5: Solve for x
    x = 3,964,416.61/1,740.08
  6. Step 6: Final answer
    x = 2,278.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.