Home / 2,848.50-3,931.65-1,607.22

Finding the Fourth Proportional to 2,848.50, 3,931.65 and 1,607.22

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Solution

The fourth proportional to 2,848.50, 3,931.65 and 1,607.22 is: 2,218.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.50 : 3,931.65 = 1,607.22 : x
  2. Step 2: Convert to fraction form
    2,848.50/3,931.65 = 1,607.22/x
  3. Step 3: Cross multiply
    2,848.50x = 3,931.65 × 1,607.22
  4. Step 4: Simplify right side
    2,848.50x = 6,319,026.51
  5. Step 5: Solve for x
    x = 6,319,026.51/2,848.50
  6. Step 6: Final answer
    x = 2,218.37

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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.