Home / 2,852.52-4,279.19-904.89

Finding the Fourth Proportional to 2,852.52, 4,279.19 and 904.89

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Solution

The fourth proportional to 2,852.52, 4,279.19 and 904.89 is: 1,357.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.52 : 4,279.19 = 904.89 : x
  2. Step 2: Convert to fraction form
    2,852.52/4,279.19 = 904.89/x
  3. Step 3: Cross multiply
    2,852.52x = 4,279.19 × 904.89
  4. Step 4: Simplify right side
    2,852.52x = 3,872,191.71
  5. Step 5: Solve for x
    x = 3,872,191.71/2,852.52
  6. Step 6: Final answer
    x = 1,357.46

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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.