Home / 2,887.19-4,332.23-1,038.72

Finding the Fourth Proportional to 2,887.19, 4,332.23 and 1,038.72

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Solution

The fourth proportional to 2,887.19, 4,332.23 and 1,038.72 is: 1,558.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.19 : 4,332.23 = 1,038.72 : x
  2. Step 2: Convert to fraction form
    2,887.19/4,332.23 = 1,038.72/x
  3. Step 3: Cross multiply
    2,887.19x = 4,332.23 × 1,038.72
  4. Step 4: Simplify right side
    2,887.19x = 4,499,968.75
  5. Step 5: Solve for x
    x = 4,499,968.75/2,887.19
  6. Step 6: Final answer
    x = 1,558.60

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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.