Home / 1,513.73-2,089.74-1,047.17

Finding the Fourth Proportional to 1,513.73, 2,089.74 and 1,047.17

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Solution

The fourth proportional to 1,513.73, 2,089.74 and 1,047.17 is: 1,445.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513.73 : 2,089.74 = 1,047.17 : x
  2. Step 2: Convert to fraction form
    1,513.73/2,089.74 = 1,047.17/x
  3. Step 3: Cross multiply
    1,513.73x = 2,089.74 × 1,047.17
  4. Step 4: Simplify right side
    1,513.73x = 2,188,313.04
  5. Step 5: Solve for x
    x = 2,188,313.04/1,513.73
  6. Step 6: Final answer
    x = 1,445.64

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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.