Home / 2,926.48-4,031.76-1,876.72

Finding the Fourth Proportional to 2,926.48, 4,031.76 and 1,876.72

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Solution

The fourth proportional to 2,926.48, 4,031.76 and 1,876.72 is: 2,585.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.48 : 4,031.76 = 1,876.72 : x
  2. Step 2: Convert to fraction form
    2,926.48/4,031.76 = 1,876.72/x
  3. Step 3: Cross multiply
    2,926.48x = 4,031.76 × 1,876.72
  4. Step 4: Simplify right side
    2,926.48x = 7,566,484.63
  5. Step 5: Solve for x
    x = 7,566,484.63/2,926.48
  6. Step 6: Final answer
    x = 2,585.52

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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.