Home / 2,225.80-3,068.58-1,875.88

Finding the Fourth Proportional to 2,225.80, 3,068.58 and 1,875.88

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Solution

The fourth proportional to 2,225.80, 3,068.58 and 1,875.88 is: 2,586.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225.80 : 3,068.58 = 1,875.88 : x
  2. Step 2: Convert to fraction form
    2,225.80/3,068.58 = 1,875.88/x
  3. Step 3: Cross multiply
    2,225.80x = 3,068.58 × 1,875.88
  4. Step 4: Simplify right side
    2,225.80x = 5,756,287.85
  5. Step 5: Solve for x
    x = 5,756,287.85/2,225.80
  6. Step 6: Final answer
    x = 2,586.17

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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.