Home / 2,303.16-3,178.14-1,358.95

Finding the Fourth Proportional to 2,303.16, 3,178.14 and 1,358.95

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Solution

The fourth proportional to 2,303.16, 3,178.14 and 1,358.95 is: 1,875.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,303.16 : 3,178.14 = 1,358.95 : x
  2. Step 2: Convert to fraction form
    2,303.16/3,178.14 = 1,358.95/x
  3. Step 3: Cross multiply
    2,303.16x = 3,178.14 × 1,358.95
  4. Step 4: Simplify right side
    2,303.16x = 4,318,933.35
  5. Step 5: Solve for x
    x = 4,318,933.35/2,303.16
  6. Step 6: Final answer
    x = 1,875.22

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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.