Home / 1,985.07-2,976.56-1,060.38

Finding the Fourth Proportional to 1,985.07, 2,976.56 and 1,060.38

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Solution

The fourth proportional to 1,985.07, 2,976.56 and 1,060.38 is: 1,590.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985.07 : 2,976.56 = 1,060.38 : x
  2. Step 2: Convert to fraction form
    1,985.07/2,976.56 = 1,060.38/x
  3. Step 3: Cross multiply
    1,985.07x = 2,976.56 × 1,060.38
  4. Step 4: Simplify right side
    1,985.07x = 3,156,279.39
  5. Step 5: Solve for x
    x = 3,156,279.39/1,985.07
  6. Step 6: Final answer
    x = 1,590.01

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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.