Home / 2,303.10-3,178.45-1,358.75

Finding the Fourth Proportional to 2,303.10, 3,178.45 and 1,358.75

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Solution

The fourth proportional to 2,303.10, 3,178.45 and 1,358.75 is: 1,875.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,303.10 : 3,178.45 = 1,358.75 : x
  2. Step 2: Convert to fraction form
    2,303.10/3,178.45 = 1,358.75/x
  3. Step 3: Cross multiply
    2,303.10x = 3,178.45 × 1,358.75
  4. Step 4: Simplify right side
    2,303.10x = 4,318,704.74
  5. Step 5: Solve for x
    x = 4,318,704.74/2,303.10
  6. Step 6: Final answer
    x = 1,875.17

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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.