Home / 2,485.64-3,427.08-1,895.24

Finding the Fourth Proportional to 2,485.64, 3,427.08 and 1,895.24

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Solution

The fourth proportional to 2,485.64, 3,427.08 and 1,895.24 is: 2,613.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485.64 : 3,427.08 = 1,895.24 : x
  2. Step 2: Convert to fraction form
    2,485.64/3,427.08 = 1,895.24/x
  3. Step 3: Cross multiply
    2,485.64x = 3,427.08 × 1,895.24
  4. Step 4: Simplify right side
    2,485.64x = 6,495,139.10
  5. Step 5: Solve for x
    x = 6,495,139.10/2,485.64
  6. Step 6: Final answer
    x = 2,613.07

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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.