Home / 2,455.60-3,386.40-1,895.17

Finding the Fourth Proportional to 2,455.60, 3,386.40 and 1,895.17

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Solution

The fourth proportional to 2,455.60, 3,386.40 and 1,895.17 is: 2,613.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.60 : 3,386.40 = 1,895.17 : x
  2. Step 2: Convert to fraction form
    2,455.60/3,386.40 = 1,895.17/x
  3. Step 3: Cross multiply
    2,455.60x = 3,386.40 × 1,895.17
  4. Step 4: Simplify right side
    2,455.60x = 6,417,803.69
  5. Step 5: Solve for x
    x = 6,417,803.69/2,455.60
  6. Step 6: Final answer
    x = 2,613.54

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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.