Home / 2,852.29-4,278.58-904.64

Finding the Fourth Proportional to 2,852.29, 4,278.58 and 904.64

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Solution

The fourth proportional to 2,852.29, 4,278.58 and 904.64 is: 1,357.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.29 : 4,278.58 = 904.64 : x
  2. Step 2: Convert to fraction form
    2,852.29/4,278.58 = 904.64/x
  3. Step 3: Cross multiply
    2,852.29x = 4,278.58 × 904.64
  4. Step 4: Simplify right side
    2,852.29x = 3,870,574.61
  5. Step 5: Solve for x
    x = 3,870,574.61/2,852.29
  6. Step 6: Final answer
    x = 1,357.01

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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.