Home / 2,904.39-4,355.46-1,055.07

Finding the Fourth Proportional to 2,904.39, 4,355.46 and 1,055.07

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Solution

The fourth proportional to 2,904.39, 4,355.46 and 1,055.07 is: 1,582.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.39 : 4,355.46 = 1,055.07 : x
  2. Step 2: Convert to fraction form
    2,904.39/4,355.46 = 1,055.07/x
  3. Step 3: Cross multiply
    2,904.39x = 4,355.46 × 1,055.07
  4. Step 4: Simplify right side
    2,904.39x = 4,595,315.18
  5. Step 5: Solve for x
    x = 4,595,315.18/2,904.39
  6. Step 6: Final answer
    x = 1,582.20

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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.