Home / 2,373.58-3,275.26-1,311.28

Finding the Fourth Proportional to 2,373.58, 3,275.26 and 1,311.28

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Solution

The fourth proportional to 2,373.58, 3,275.26 and 1,311.28 is: 1,809.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,373.58 : 3,275.26 = 1,311.28 : x
  2. Step 2: Convert to fraction form
    2,373.58/3,275.26 = 1,311.28/x
  3. Step 3: Cross multiply
    2,373.58x = 3,275.26 × 1,311.28
  4. Step 4: Simplify right side
    2,373.58x = 4,294,798.49
  5. Step 5: Solve for x
    x = 4,294,798.49/2,373.58
  6. Step 6: Final answer
    x = 1,809.42

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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.