Home / 2,378.52-3,282.12-1,316.16

Finding the Fourth Proportional to 2,378.52, 3,282.12 and 1,316.16

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Solution

The fourth proportional to 2,378.52, 3,282.12 and 1,316.16 is: 1,816.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378.52 : 3,282.12 = 1,316.16 : x
  2. Step 2: Convert to fraction form
    2,378.52/3,282.12 = 1,316.16/x
  3. Step 3: Cross multiply
    2,378.52x = 3,282.12 × 1,316.16
  4. Step 4: Simplify right side
    2,378.52x = 4,319,795.06
  5. Step 5: Solve for x
    x = 4,319,795.06/2,378.52
  6. Step 6: Final answer
    x = 1,816.17

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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.