Home / 2,303.19-3,179.49-1,358.70

Finding the Fourth Proportional to 2,303.19, 3,179.49 and 1,358.70

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Solution

The fourth proportional to 2,303.19, 3,179.49 and 1,358.70 is: 1,875.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,303.19 : 3,179.49 = 1,358.70 : x
  2. Step 2: Convert to fraction form
    2,303.19/3,179.49 = 1,358.70/x
  3. Step 3: Cross multiply
    2,303.19x = 3,179.49 × 1,358.70
  4. Step 4: Simplify right side
    2,303.19x = 4,319,973.06
  5. Step 5: Solve for x
    x = 4,319,973.06/2,303.19
  6. Step 6: Final answer
    x = 1,875.65

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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.