Home / 2,440.77-3,368.75-1,655.07

Finding the Fourth Proportional to 2,440.77, 3,368.75 and 1,655.07

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Solution

The fourth proportional to 2,440.77, 3,368.75 and 1,655.07 is: 2,284.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.77 : 3,368.75 = 1,655.07 : x
  2. Step 2: Convert to fraction form
    2,440.77/3,368.75 = 1,655.07/x
  3. Step 3: Cross multiply
    2,440.77x = 3,368.75 × 1,655.07
  4. Step 4: Simplify right side
    2,440.77x = 5,575,517.06
  5. Step 5: Solve for x
    x = 5,575,517.06/2,440.77
  6. Step 6: Final answer
    x = 2,284.33

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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.