Home / 2,514.49-3,470-1,395.45

Finding the Fourth Proportional to 2,514.49, 3,470 and 1,395.45

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Solution

The fourth proportional to 2,514.49, 3,470 and 1,395.45 is: 1,925.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,514.49 : 3,470 = 1,395.45 : x
  2. Step 2: Convert to fraction form
    2,514.49/3,470 = 1,395.45/x
  3. Step 3: Cross multiply
    2,514.49x = 3,470 × 1,395.45
  4. Step 4: Simplify right side
    2,514.49x = 4,842,211.50
  5. Step 5: Solve for x
    x = 4,842,211.50/2,514.49
  6. Step 6: Final answer
    x = 1,925.72

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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.