Home / 3,904.84-5,386.98-2,507.32

Finding the Fourth Proportional to 3,904.84, 5,386.98 and 2,507.32

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Solution

The fourth proportional to 3,904.84, 5,386.98 and 2,507.32 is: 3,459.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.84 : 5,386.98 = 2,507.32 : x
  2. Step 2: Convert to fraction form
    3,904.84/5,386.98 = 2,507.32/x
  3. Step 3: Cross multiply
    3,904.84x = 5,386.98 × 2,507.32
  4. Step 4: Simplify right side
    3,904.84x = 13,506,882.69
  5. Step 5: Solve for x
    x = 13,506,882.69/3,904.84
  6. Step 6: Final answer
    x = 3,459.01

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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.