Home / 2,931.94-4,045.98-1,752.40

Finding the Fourth Proportional to 2,931.94, 4,045.98 and 1,752.40

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Solution

The fourth proportional to 2,931.94, 4,045.98 and 1,752.40 is: 2,418.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.94 : 4,045.98 = 1,752.40 : x
  2. Step 2: Convert to fraction form
    2,931.94/4,045.98 = 1,752.40/x
  3. Step 3: Cross multiply
    2,931.94x = 4,045.98 × 1,752.40
  4. Step 4: Simplify right side
    2,931.94x = 7,090,175.35
  5. Step 5: Solve for x
    x = 7,090,175.35/2,931.94
  6. Step 6: Final answer
    x = 2,418.25

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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.