Home / 1,709.04-2,356.96-1,242.48

Finding the Fourth Proportional to 1,709.04, 2,356.96 and 1,242.48

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Solution

The fourth proportional to 1,709.04, 2,356.96 and 1,242.48 is: 1,713.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709.04 : 2,356.96 = 1,242.48 : x
  2. Step 2: Convert to fraction form
    1,709.04/2,356.96 = 1,242.48/x
  3. Step 3: Cross multiply
    1,709.04x = 2,356.96 × 1,242.48
  4. Step 4: Simplify right side
    1,709.04x = 2,928,475.66
  5. Step 5: Solve for x
    x = 2,928,475.66/1,709.04
  6. Step 6: Final answer
    x = 1,713.52

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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.