Home / 2,970.16-4,456.12-1,585.06

Finding the Fourth Proportional to 2,970.16, 4,456.12 and 1,585.06

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Solution

The fourth proportional to 2,970.16, 4,456.12 and 1,585.06 is: 2,378.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.16 : 4,456.12 = 1,585.06 : x
  2. Step 2: Convert to fraction form
    2,970.16/4,456.12 = 1,585.06/x
  3. Step 3: Cross multiply
    2,970.16x = 4,456.12 × 1,585.06
  4. Step 4: Simplify right side
    2,970.16x = 7,063,217.57
  5. Step 5: Solve for x
    x = 7,063,217.57/2,970.16
  6. Step 6: Final answer
    x = 2,378.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.