Home / 1,477.12-2,213.52-1,045.12

Finding the Fourth Proportional to 1,477.12, 2,213.52 and 1,045.12

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Solution

The fourth proportional to 1,477.12, 2,213.52 and 1,045.12 is: 1,566.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477.12 : 2,213.52 = 1,045.12 : x
  2. Step 2: Convert to fraction form
    1,477.12/2,213.52 = 1,045.12/x
  3. Step 3: Cross multiply
    1,477.12x = 2,213.52 × 1,045.12
  4. Step 4: Simplify right side
    1,477.12x = 2,313,394.02
  5. Step 5: Solve for x
    x = 2,313,394.02/1,477.12
  6. Step 6: Final answer
    x = 1,566.15

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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.