Home / 1,973.47-2,723.54-1,276.87

Finding the Fourth Proportional to 1,973.47, 2,723.54 and 1,276.87

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Solution

The fourth proportional to 1,973.47, 2,723.54 and 1,276.87 is: 1,762.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.47 : 2,723.54 = 1,276.87 : x
  2. Step 2: Convert to fraction form
    1,973.47/2,723.54 = 1,276.87/x
  3. Step 3: Cross multiply
    1,973.47x = 2,723.54 × 1,276.87
  4. Step 4: Simplify right side
    1,973.47x = 3,477,606.52
  5. Step 5: Solve for x
    x = 3,477,606.52/1,973.47
  6. Step 6: Final answer
    x = 1,762.18

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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.