Home / 1,510.65-2,255.85-1,503.36

Finding the Fourth Proportional to 1,510.65, 2,255.85 and 1,503.36

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Solution

The fourth proportional to 1,510.65, 2,255.85 and 1,503.36 is: 2,244.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510.65 : 2,255.85 = 1,503.36 : x
  2. Step 2: Convert to fraction form
    1,510.65/2,255.85 = 1,503.36/x
  3. Step 3: Cross multiply
    1,510.65x = 2,255.85 × 1,503.36
  4. Step 4: Simplify right side
    1,510.65x = 3,391,354.66
  5. Step 5: Solve for x
    x = 3,391,354.66/1,510.65
  6. Step 6: Final answer
    x = 2,244.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.