Home / 1,453.19-2,002.17-954.95

Finding the Fourth Proportional to 1,453.19, 2,002.17 and 954.95

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Solution

The fourth proportional to 1,453.19, 2,002.17 and 954.95 is: 1,315.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453.19 : 2,002.17 = 954.95 : x
  2. Step 2: Convert to fraction form
    1,453.19/2,002.17 = 954.95/x
  3. Step 3: Cross multiply
    1,453.19x = 2,002.17 × 954.95
  4. Step 4: Simplify right side
    1,453.19x = 1,911,972.24
  5. Step 5: Solve for x
    x = 1,911,972.24/1,453.19
  6. Step 6: Final answer
    x = 1,315.71

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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.