Home / 2,970.18-4,454.64-1,873.08

Finding the Fourth Proportional to 2,970.18, 4,454.64 and 1,873.08

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Solution

The fourth proportional to 2,970.18, 4,454.64 and 1,873.08 is: 2,809.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.18 : 4,454.64 = 1,873.08 : x
  2. Step 2: Convert to fraction form
    2,970.18/4,454.64 = 1,873.08/x
  3. Step 3: Cross multiply
    2,970.18x = 4,454.64 × 1,873.08
  4. Step 4: Simplify right side
    2,970.18x = 8,343,897.09
  5. Step 5: Solve for x
    x = 8,343,897.09/2,970.18
  6. Step 6: Final answer
    x = 2,809.22

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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.