Home / 2,421.34-3,340.79-1,477.29

Finding the Fourth Proportional to 2,421.34, 3,340.79 and 1,477.29

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Solution

The fourth proportional to 2,421.34, 3,340.79 and 1,477.29 is: 2,038.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.34 : 3,340.79 = 1,477.29 : x
  2. Step 2: Convert to fraction form
    2,421.34/3,340.79 = 1,477.29/x
  3. Step 3: Cross multiply
    2,421.34x = 3,340.79 × 1,477.29
  4. Step 4: Simplify right side
    2,421.34x = 4,935,291.57
  5. Step 5: Solve for x
    x = 4,935,291.57/2,421.34
  6. Step 6: Final answer
    x = 2,038.25

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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.