Home / 2,621.30-3,615.71-1,875.02

Finding the Fourth Proportional to 2,621.30, 3,615.71 and 1,875.02

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Solution

The fourth proportional to 2,621.30, 3,615.71 and 1,875.02 is: 2,586.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.30 : 3,615.71 = 1,875.02 : x
  2. Step 2: Convert to fraction form
    2,621.30/3,615.71 = 1,875.02/x
  3. Step 3: Cross multiply
    2,621.30x = 3,615.71 × 1,875.02
  4. Step 4: Simplify right side
    2,621.30x = 6,779,501.11
  5. Step 5: Solve for x
    x = 6,779,501.11/2,621.30
  6. Step 6: Final answer
    x = 2,586.32

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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.