Home / 3,526.68-4,870.92-2,345.72

Finding the Fourth Proportional to 3,526.68, 4,870.92 and 2,345.72

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Solution

The fourth proportional to 3,526.68, 4,870.92 and 2,345.72 is: 3,239.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.68 : 4,870.92 = 2,345.72 : x
  2. Step 2: Convert to fraction form
    3,526.68/4,870.92 = 2,345.72/x
  3. Step 3: Cross multiply
    3,526.68x = 4,870.92 × 2,345.72
  4. Step 4: Simplify right side
    3,526.68x = 11,425,814.46
  5. Step 5: Solve for x
    x = 11,425,814.46/3,526.68
  6. Step 6: Final answer
    x = 3,239.82

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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.