Home / 2,829.24-3,904.14-1,587

Finding the Fourth Proportional to 2,829.24, 3,904.14 and 1,587

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Solution

The fourth proportional to 2,829.24, 3,904.14 and 1,587 is: 2,189.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.24 : 3,904.14 = 1,587 : x
  2. Step 2: Convert to fraction form
    2,829.24/3,904.14 = 1,587/x
  3. Step 3: Cross multiply
    2,829.24x = 3,904.14 × 1,587
  4. Step 4: Simplify right side
    2,829.24x = 6,195,870.18
  5. Step 5: Solve for x
    x = 6,195,870.18/2,829.24
  6. Step 6: Final answer
    x = 2,189.94

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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.