Home / 2,421.16-3,632.95-1,806.10

Finding the Fourth Proportional to 2,421.16, 3,632.95 and 1,806.10

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Solution

The fourth proportional to 2,421.16, 3,632.95 and 1,806.10 is: 2,710.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.16 : 3,632.95 = 1,806.10 : x
  2. Step 2: Convert to fraction form
    2,421.16/3,632.95 = 1,806.10/x
  3. Step 3: Cross multiply
    2,421.16x = 3,632.95 × 1,806.10
  4. Step 4: Simplify right side
    2,421.16x = 6,561,471.00
  5. Step 5: Solve for x
    x = 6,561,471.00/2,421.16
  6. Step 6: Final answer
    x = 2,710.05

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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.