Home / 3,646.02-5,030.20-2,387.81

Finding the Fourth Proportional to 3,646.02, 5,030.20 and 2,387.81

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Solution

The fourth proportional to 3,646.02, 5,030.20 and 2,387.81 is: 3,294.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,646.02 : 5,030.20 = 2,387.81 : x
  2. Step 2: Convert to fraction form
    3,646.02/5,030.20 = 2,387.81/x
  3. Step 3: Cross multiply
    3,646.02x = 5,030.20 × 2,387.81
  4. Step 4: Simplify right side
    3,646.02x = 12,011,124.77
  5. Step 5: Solve for x
    x = 12,011,124.77/3,646.02
  6. Step 6: Final answer
    x = 3,294.31

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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.