Home / 2,973.09-4,102.56-1,646.76

Finding the Fourth Proportional to 2,973.09, 4,102.56 and 1,646.76

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Solution

The fourth proportional to 2,973.09, 4,102.56 and 1,646.76 is: 2,272.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.09 : 4,102.56 = 1,646.76 : x
  2. Step 2: Convert to fraction form
    2,973.09/4,102.56 = 1,646.76/x
  3. Step 3: Cross multiply
    2,973.09x = 4,102.56 × 1,646.76
  4. Step 4: Simplify right side
    2,973.09x = 6,755,931.71
  5. Step 5: Solve for x
    x = 6,755,931.71/2,973.09
  6. Step 6: Final answer
    x = 2,272.36

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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.