Home / 2,931.39-4,044.06-1,752.21

Finding the Fourth Proportional to 2,931.39, 4,044.06 and 1,752.21

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Solution

The fourth proportional to 2,931.39, 4,044.06 and 1,752.21 is: 2,417.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.39 : 4,044.06 = 1,752.21 : x
  2. Step 2: Convert to fraction form
    2,931.39/4,044.06 = 1,752.21/x
  3. Step 3: Cross multiply
    2,931.39x = 4,044.06 × 1,752.21
  4. Step 4: Simplify right side
    2,931.39x = 7,086,042.37
  5. Step 5: Solve for x
    x = 7,086,042.37/2,931.39
  6. Step 6: Final answer
    x = 2,417.30

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1.5x scale

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.