Home / 2,646.84-3,653.46-1,585.20

Finding the Fourth Proportional to 2,646.84, 3,653.46 and 1,585.20

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Solution

The fourth proportional to 2,646.84, 3,653.46 and 1,585.20 is: 2,188.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646.84 : 3,653.46 = 1,585.20 : x
  2. Step 2: Convert to fraction form
    2,646.84/3,653.46 = 1,585.20/x
  3. Step 3: Cross multiply
    2,646.84x = 3,653.46 × 1,585.20
  4. Step 4: Simplify right side
    2,646.84x = 5,791,464.79
  5. Step 5: Solve for x
    x = 5,791,464.79/2,646.84
  6. Step 6: Final answer
    x = 2,188.07

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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.