Home / 1,532.80-2,288.52-1,258.16

Finding the Fourth Proportional to 1,532.80, 2,288.52 and 1,258.16

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Solution

The fourth proportional to 1,532.80, 2,288.52 and 1,258.16 is: 1,878.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.80 : 2,288.52 = 1,258.16 : x
  2. Step 2: Convert to fraction form
    1,532.80/2,288.52 = 1,258.16/x
  3. Step 3: Cross multiply
    1,532.80x = 2,288.52 × 1,258.16
  4. Step 4: Simplify right side
    1,532.80x = 2,879,324.32
  5. Step 5: Solve for x
    x = 2,879,324.32/1,532.80
  6. Step 6: Final answer
    x = 1,878.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.