Home / 2,955.40-4,434.65-1,313.12

Finding the Fourth Proportional to 2,955.40, 4,434.65 and 1,313.12

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Solution

The fourth proportional to 2,955.40, 4,434.65 and 1,313.12 is: 1,970.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.40 : 4,434.65 = 1,313.12 : x
  2. Step 2: Convert to fraction form
    2,955.40/4,434.65 = 1,313.12/x
  3. Step 3: Cross multiply
    2,955.40x = 4,434.65 × 1,313.12
  4. Step 4: Simplify right side
    2,955.40x = 5,823,221.04
  5. Step 5: Solve for x
    x = 5,823,221.04/2,955.40
  6. Step 6: Final answer
    x = 1,970.37

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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.