Home / 2,937.30-4,053.17-1,678.68

Finding the Fourth Proportional to 2,937.30, 4,053.17 and 1,678.68

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Solution

The fourth proportional to 2,937.30, 4,053.17 and 1,678.68 is: 2,316.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.30 : 4,053.17 = 1,678.68 : x
  2. Step 2: Convert to fraction form
    2,937.30/4,053.17 = 1,678.68/x
  3. Step 3: Cross multiply
    2,937.30x = 4,053.17 × 1,678.68
  4. Step 4: Simplify right side
    2,937.30x = 6,803,967.02
  5. Step 5: Solve for x
    x = 6,803,967.02/2,937.30
  6. Step 6: Final answer
    x = 2,316.40

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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.