Home / 2,455.03-3,388.06-1,407.10

Finding the Fourth Proportional to 2,455.03, 3,388.06 and 1,407.10

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Solution

The fourth proportional to 2,455.03, 3,388.06 and 1,407.10 is: 1,941.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.03 : 3,388.06 = 1,407.10 : x
  2. Step 2: Convert to fraction form
    2,455.03/3,388.06 = 1,407.10/x
  3. Step 3: Cross multiply
    2,455.03x = 3,388.06 × 1,407.10
  4. Step 4: Simplify right side
    2,455.03x = 4,767,322.29
  5. Step 5: Solve for x
    x = 4,767,322.29/2,455.03
  6. Step 6: Final answer
    x = 1,941.86

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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.