Home / 2,458.19-3,688.47-1,225.77

Finding the Fourth Proportional to 2,458.19, 3,688.47 and 1,225.77

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Solution

The fourth proportional to 2,458.19, 3,688.47 and 1,225.77 is: 1,839.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.19 : 3,688.47 = 1,225.77 : x
  2. Step 2: Convert to fraction form
    2,458.19/3,688.47 = 1,225.77/x
  3. Step 3: Cross multiply
    2,458.19x = 3,688.47 × 1,225.77
  4. Step 4: Simplify right side
    2,458.19x = 4,521,222.79
  5. Step 5: Solve for x
    x = 4,521,222.79/2,458.19
  6. Step 6: Final answer
    x = 1,839.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.