Home / 1,484.02-2,215.07-1,308.92

Finding the Fourth Proportional to 1,484.02, 2,215.07 and 1,308.92

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Solution

The fourth proportional to 1,484.02, 2,215.07 and 1,308.92 is: 1,953.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.02 : 2,215.07 = 1,308.92 : x
  2. Step 2: Convert to fraction form
    1,484.02/2,215.07 = 1,308.92/x
  3. Step 3: Cross multiply
    1,484.02x = 2,215.07 × 1,308.92
  4. Step 4: Simplify right side
    1,484.02x = 2,899,355.97
  5. Step 5: Solve for x
    x = 2,899,355.97/1,484.02
  6. Step 6: Final answer
    x = 1,953.72

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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.