Home / 2,931.06-4,044.70-1,604.51

Finding the Fourth Proportional to 2,931.06, 4,044.70 and 1,604.51

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Solution

The fourth proportional to 2,931.06, 4,044.70 and 1,604.51 is: 2,214.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.06 : 4,044.70 = 1,604.51 : x
  2. Step 2: Convert to fraction form
    2,931.06/4,044.70 = 1,604.51/x
  3. Step 3: Cross multiply
    2,931.06x = 4,044.70 × 1,604.51
  4. Step 4: Simplify right side
    2,931.06x = 6,489,741.37
  5. Step 5: Solve for x
    x = 6,489,741.37/2,931.06
  6. Step 6: Final answer
    x = 2,214.13

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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.