Home / 2,645.66-3,966.10-1,001.76

Finding the Fourth Proportional to 2,645.66, 3,966.10 and 1,001.76

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Solution

The fourth proportional to 2,645.66, 3,966.10 and 1,001.76 is: 1,501.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645.66 : 3,966.10 = 1,001.76 : x
  2. Step 2: Convert to fraction form
    2,645.66/3,966.10 = 1,001.76/x
  3. Step 3: Cross multiply
    2,645.66x = 3,966.10 × 1,001.76
  4. Step 4: Simplify right side
    2,645.66x = 3,973,080.34
  5. Step 5: Solve for x
    x = 3,973,080.34/2,645.66
  6. Step 6: Final answer
    x = 1,501.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.