Home / 2,507.24-3,460.02-1,388.15

Finding the Fourth Proportional to 2,507.24, 3,460.02 and 1,388.15

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Solution

The fourth proportional to 2,507.24, 3,460.02 and 1,388.15 is: 1,915.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,507.24 : 3,460.02 = 1,388.15 : x
  2. Step 2: Convert to fraction form
    2,507.24/3,460.02 = 1,388.15/x
  3. Step 3: Cross multiply
    2,507.24x = 3,460.02 × 1,388.15
  4. Step 4: Simplify right side
    2,507.24x = 4,803,009.46
  5. Step 5: Solve for x
    x = 4,803,009.46/2,507.24
  6. Step 6: Final answer
    x = 1,915.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.