Home / 2,615.15-3,607.69-1,670.46

Finding the Fourth Proportional to 2,615.15, 3,607.69 and 1,670.46

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Solution

The fourth proportional to 2,615.15, 3,607.69 and 1,670.46 is: 2,304.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.15 : 3,607.69 = 1,670.46 : x
  2. Step 2: Convert to fraction form
    2,615.15/3,607.69 = 1,670.46/x
  3. Step 3: Cross multiply
    2,615.15x = 3,607.69 × 1,670.46
  4. Step 4: Simplify right side
    2,615.15x = 6,026,501.84
  5. Step 5: Solve for x
    x = 6,026,501.84/2,615.15
  6. Step 6: Final answer
    x = 2,304.46

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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.