Home / 1,509.07-2,270.08-1,295.23

Finding the Fourth Proportional to 1,509.07, 2,270.08 and 1,295.23

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Solution

The fourth proportional to 1,509.07, 2,270.08 and 1,295.23 is: 1,948.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509.07 : 2,270.08 = 1,295.23 : x
  2. Step 2: Convert to fraction form
    1,509.07/2,270.08 = 1,295.23/x
  3. Step 3: Cross multiply
    1,509.07x = 2,270.08 × 1,295.23
  4. Step 4: Simplify right side
    1,509.07x = 2,940,264.37
  5. Step 5: Solve for x
    x = 2,940,264.37/1,509.07
  6. Step 6: Final answer
    x = 1,948.40

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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.