Home / 2,289.02-3,430.23-1,248.14

Finding the Fourth Proportional to 2,289.02, 3,430.23 and 1,248.14

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Solution

The fourth proportional to 2,289.02, 3,430.23 and 1,248.14 is: 1,870.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.02 : 3,430.23 = 1,248.14 : x
  2. Step 2: Convert to fraction form
    2,289.02/3,430.23 = 1,248.14/x
  3. Step 3: Cross multiply
    2,289.02x = 3,430.23 × 1,248.14
  4. Step 4: Simplify right side
    2,289.02x = 4,281,407.27
  5. Step 5: Solve for x
    x = 4,281,407.27/2,289.02
  6. Step 6: Final answer
    x = 1,870.41

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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.