Home / 2,421.29-3,341.13-1,477.55

Finding the Fourth Proportional to 2,421.29, 3,341.13 and 1,477.55

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Solution

The fourth proportional to 2,421.29, 3,341.13 and 1,477.55 is: 2,038.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.29 : 3,341.13 = 1,477.55 : x
  2. Step 2: Convert to fraction form
    2,421.29/3,341.13 = 1,477.55/x
  3. Step 3: Cross multiply
    2,421.29x = 3,341.13 × 1,477.55
  4. Step 4: Simplify right side
    2,421.29x = 4,936,686.63
  5. Step 5: Solve for x
    x = 4,936,686.63/2,421.29
  6. Step 6: Final answer
    x = 2,038.87

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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.