Home / 2,417.77-3,338.40-1,857.35

Finding the Fourth Proportional to 2,417.77, 3,338.40 and 1,857.35

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Solution

The fourth proportional to 2,417.77, 3,338.40 and 1,857.35 is: 2,564.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,417.77 : 3,338.40 = 1,857.35 : x
  2. Step 2: Convert to fraction form
    2,417.77/3,338.40 = 1,857.35/x
  3. Step 3: Cross multiply
    2,417.77x = 3,338.40 × 1,857.35
  4. Step 4: Simplify right side
    2,417.77x = 6,200,580.03
  5. Step 5: Solve for x
    x = 6,200,580.03/2,417.77
  6. Step 6: Final answer
    x = 2,564.59

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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.