Home / 1,678.06-2,518.10-1,060.91

Finding the Fourth Proportional to 1,678.06, 2,518.10 and 1,060.91

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Solution

The fourth proportional to 1,678.06, 2,518.10 and 1,060.91 is: 1,592.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678.06 : 2,518.10 = 1,060.91 : x
  2. Step 2: Convert to fraction form
    1,678.06/2,518.10 = 1,060.91/x
  3. Step 3: Cross multiply
    1,678.06x = 2,518.10 × 1,060.91
  4. Step 4: Simplify right side
    1,678.06x = 2,671,478.96
  5. Step 5: Solve for x
    x = 2,671,478.96/1,678.06
  6. Step 6: Final answer
    x = 1,592.01

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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.