Home / 2,920.42-4,030.20-1,741.51

Finding the Fourth Proportional to 2,920.42, 4,030.20 and 1,741.51

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Solution

The fourth proportional to 2,920.42, 4,030.20 and 1,741.51 is: 2,403.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.42 : 4,030.20 = 1,741.51 : x
  2. Step 2: Convert to fraction form
    2,920.42/4,030.20 = 1,741.51/x
  3. Step 3: Cross multiply
    2,920.42x = 4,030.20 × 1,741.51
  4. Step 4: Simplify right side
    2,920.42x = 7,018,633.60
  5. Step 5: Solve for x
    x = 7,018,633.60/2,920.42
  6. Step 6: Final answer
    x = 2,403.30

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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.