Home / 2,955.40-4,433.48-1,007.08

Finding the Fourth Proportional to 2,955.40, 4,433.48 and 1,007.08

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Solution

The fourth proportional to 2,955.40, 4,433.48 and 1,007.08 is: 1,510.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.40 : 4,433.48 = 1,007.08 : x
  2. Step 2: Convert to fraction form
    2,955.40/4,433.48 = 1,007.08/x
  3. Step 3: Cross multiply
    2,955.40x = 4,433.48 × 1,007.08
  4. Step 4: Simplify right side
    2,955.40x = 4,464,869.04
  5. Step 5: Solve for x
    x = 4,464,869.04/2,955.40
  6. Step 6: Final answer
    x = 1,510.75

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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.