Home / 3,870.36-5,337.90-2,937.24

Finding the Fourth Proportional to 3,870.36, 5,337.90 and 2,937.24

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Solution

The fourth proportional to 3,870.36, 5,337.90 and 2,937.24 is: 4,050.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870.36 : 5,337.90 = 2,937.24 : x
  2. Step 2: Convert to fraction form
    3,870.36/5,337.90 = 2,937.24/x
  3. Step 3: Cross multiply
    3,870.36x = 5,337.90 × 2,937.24
  4. Step 4: Simplify right side
    3,870.36x = 15,678,693.40
  5. Step 5: Solve for x
    x = 15,678,693.40/3,870.36
  6. Step 6: Final answer
    x = 4,050.97

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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.