Home / 2,895.90-4,345.20-1,510.80

Finding the Fourth Proportional to 2,895.90, 4,345.20 and 1,510.80

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Solution

The fourth proportional to 2,895.90, 4,345.20 and 1,510.80 is: 2,266.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.90 : 4,345.20 = 1,510.80 : x
  2. Step 2: Convert to fraction form
    2,895.90/4,345.20 = 1,510.80/x
  3. Step 3: Cross multiply
    2,895.90x = 4,345.20 × 1,510.80
  4. Step 4: Simplify right side
    2,895.90x = 6,564,728.16
  5. Step 5: Solve for x
    x = 6,564,728.16/2,895.90
  6. Step 6: Final answer
    x = 2,266.90

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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.