Home / 2,364.90-3,547.35-2,138.10

Finding the Fourth Proportional to 2,364.90, 3,547.35 and 2,138.10

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Solution

The fourth proportional to 2,364.90, 3,547.35 and 2,138.10 is: 3,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,364.90 : 3,547.35 = 2,138.10 : x
  2. Step 2: Convert to fraction form
    2,364.90/3,547.35 = 2,138.10/x
  3. Step 3: Cross multiply
    2,364.90x = 3,547.35 × 2,138.10
  4. Step 4: Simplify right side
    2,364.90x = 7,584,589.04
  5. Step 5: Solve for x
    x = 7,584,589.04/2,364.90
  6. Step 6: Final answer
    x = 3,207.15

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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.