Home / 2,195.52-3,030.16-1,410.40

Finding the Fourth Proportional to 2,195.52, 3,030.16 and 1,410.40

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Solution

The fourth proportional to 2,195.52, 3,030.16 and 1,410.40 is: 1,946.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.52 : 3,030.16 = 1,410.40 : x
  2. Step 2: Convert to fraction form
    2,195.52/3,030.16 = 1,410.40/x
  3. Step 3: Cross multiply
    2,195.52x = 3,030.16 × 1,410.40
  4. Step 4: Simplify right side
    2,195.52x = 4,273,737.66
  5. Step 5: Solve for x
    x = 4,273,737.66/2,195.52
  6. Step 6: Final answer
    x = 1,946.57

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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.