Home / 3,807.51-5,252.88-2,390.59

Finding the Fourth Proportional to 3,807.51, 5,252.88 and 2,390.59

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Solution

The fourth proportional to 3,807.51, 5,252.88 and 2,390.59 is: 3,298.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,807.51 : 5,252.88 = 2,390.59 : x
  2. Step 2: Convert to fraction form
    3,807.51/5,252.88 = 2,390.59/x
  3. Step 3: Cross multiply
    3,807.51x = 5,252.88 × 2,390.59
  4. Step 4: Simplify right side
    3,807.51x = 12,557,482.40
  5. Step 5: Solve for x
    x = 12,557,482.40/3,807.51
  6. Step 6: Final answer
    x = 3,298.08

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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.