Home / 2,355.03-3,248.19-1,646.91

Finding the Fourth Proportional to 2,355.03, 3,248.19 and 1,646.91

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Solution

The fourth proportional to 2,355.03, 3,248.19 and 1,646.91 is: 2,271.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.03 : 3,248.19 = 1,646.91 : x
  2. Step 2: Convert to fraction form
    2,355.03/3,248.19 = 1,646.91/x
  3. Step 3: Cross multiply
    2,355.03x = 3,248.19 × 1,646.91
  4. Step 4: Simplify right side
    2,355.03x = 5,349,476.59
  5. Step 5: Solve for x
    x = 5,349,476.59/2,355.03
  6. Step 6: Final answer
    x = 2,271.51

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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.