Home / 2,972.07-4,101.93-1,854.23

Finding the Fourth Proportional to 2,972.07, 4,101.93 and 1,854.23

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Solution

The fourth proportional to 2,972.07, 4,101.93 and 1,854.23 is: 2,559.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.07 : 4,101.93 = 1,854.23 : x
  2. Step 2: Convert to fraction form
    2,972.07/4,101.93 = 1,854.23/x
  3. Step 3: Cross multiply
    2,972.07x = 4,101.93 × 1,854.23
  4. Step 4: Simplify right side
    2,972.07x = 7,605,901.15
  5. Step 5: Solve for x
    x = 7,605,901.15/2,972.07
  6. Step 6: Final answer
    x = 2,559.13

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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.