Home / 2,931.66-4,045.41-1,752.57

Finding the Fourth Proportional to 2,931.66, 4,045.41 and 1,752.57

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Solution

The fourth proportional to 2,931.66, 4,045.41 and 1,752.57 is: 2,418.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.66 : 4,045.41 = 1,752.57 : x
  2. Step 2: Convert to fraction form
    2,931.66/4,045.41 = 1,752.57/x
  3. Step 3: Cross multiply
    2,931.66x = 4,045.41 × 1,752.57
  4. Step 4: Simplify right side
    2,931.66x = 7,089,864.20
  5. Step 5: Solve for x
    x = 7,089,864.20/2,931.66
  6. Step 6: Final answer
    x = 2,418.38

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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.