Home / 4,210.79-5,808.52-2,636.15

Finding the Fourth Proportional to 4,210.79, 5,808.52 and 2,636.15

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Solution

The fourth proportional to 4,210.79, 5,808.52 and 2,636.15 is: 3,636.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.79 : 5,808.52 = 2,636.15 : x
  2. Step 2: Convert to fraction form
    4,210.79/5,808.52 = 2,636.15/x
  3. Step 3: Cross multiply
    4,210.79x = 5,808.52 × 2,636.15
  4. Step 4: Simplify right side
    4,210.79x = 15,312,130.00
  5. Step 5: Solve for x
    x = 15,312,130.00/4,210.79
  6. Step 6: Final answer
    x = 3,636.40

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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.