Home / 2,045.79-2,824.13-1,206.23

Finding the Fourth Proportional to 2,045.79, 2,824.13 and 1,206.23

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Solution

The fourth proportional to 2,045.79, 2,824.13 and 1,206.23 is: 1,665.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.79 : 2,824.13 = 1,206.23 : x
  2. Step 2: Convert to fraction form
    2,045.79/2,824.13 = 1,206.23/x
  3. Step 3: Cross multiply
    2,045.79x = 2,824.13 × 1,206.23
  4. Step 4: Simplify right side
    2,045.79x = 3,406,539.22
  5. Step 5: Solve for x
    x = 3,406,539.22/2,045.79
  6. Step 6: Final answer
    x = 1,665.15

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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.