Home / 2,225.65-3,335.37-1,055.20

Finding the Fourth Proportional to 2,225.65, 3,335.37 and 1,055.20

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Solution

The fourth proportional to 2,225.65, 3,335.37 and 1,055.20 is: 1,581.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225.65 : 3,335.37 = 1,055.20 : x
  2. Step 2: Convert to fraction form
    2,225.65/3,335.37 = 1,055.20/x
  3. Step 3: Cross multiply
    2,225.65x = 3,335.37 × 1,055.20
  4. Step 4: Simplify right side
    2,225.65x = 3,519,482.42
  5. Step 5: Solve for x
    x = 3,519,482.42/2,225.65
  6. Step 6: Final answer
    x = 1,581.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.