Home / 1,501.62-2,246.95-972.69

Finding the Fourth Proportional to 1,501.62, 2,246.95 and 972.69

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Solution

The fourth proportional to 1,501.62, 2,246.95 and 972.69 is: 1,455.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501.62 : 2,246.95 = 972.69 : x
  2. Step 2: Convert to fraction form
    1,501.62/2,246.95 = 972.69/x
  3. Step 3: Cross multiply
    1,501.62x = 2,246.95 × 972.69
  4. Step 4: Simplify right side
    1,501.62x = 2,185,585.80
  5. Step 5: Solve for x
    x = 2,185,585.80/1,501.62
  6. Step 6: Final answer
    x = 1,455.49

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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.