Home / 2,356.29-3,547.53-1,630.80

Finding the Fourth Proportional to 2,356.29, 3,547.53 and 1,630.80

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Solution

The fourth proportional to 2,356.29, 3,547.53 and 1,630.80 is: 2,455.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356.29 : 3,547.53 = 1,630.80 : x
  2. Step 2: Convert to fraction form
    2,356.29/3,547.53 = 1,630.80/x
  3. Step 3: Cross multiply
    2,356.29x = 3,547.53 × 1,630.80
  4. Step 4: Simplify right side
    2,356.29x = 5,785,311.92
  5. Step 5: Solve for x
    x = 5,785,311.92/2,356.29
  6. Step 6: Final answer
    x = 2,455.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.